The Most Dangerous Game

Explanation
The word "surmounted" means to overcome or conquer a difficulty or obstacle. In this context, the general is described as smiling a quiet smile, indicating that he has faced and successfully overcome the obstacle. The word "impulse" refers to a sudden strong urge or desire, which does not fit the context. "Prolonged" means to extend or lengthen, which is not related to overcoming an obstacle. "Receding" means to move back or withdraw, which is also not relevant to the situation. Therefore, the correct answer is "surmounted."

Explanation
The correct answer is "diverting" because it means enjoyable or entertaining. In the context of the sentence, it implies that the deadly hunt was an enjoyable or entertaining game for Zaroff.

Explanation
Zaroff appeared unruffled, even when Rainsford called him a murderer. This means that Zaroff remained calm and composed despite being accused of a serious crime. He did not show any signs of being disturbed or agitated by Rainsford's accusation.

Explanation
The word "prolonged" means to lengthen or extend in duration. It is the only word among the given options that has a similar meaning to "used as : extended." Therefore, "prolonged" is the correct answer.

Explanation
The word "protruding" means sticking out or extending beyond the surface. In the given sentence, the word "protruding" describes the cliffs as blocking Rainsford's sight of the ocean. This suggests that the cliffs are jutting out or extending in a way that obstructs the view of the ocean. Therefore, "protruding" is the correct answer.

Explanation
The correct answer is "receding".

Explanation
Zaroff said that his captives invariably choose the hunt. This means that without fail, every time, his captives choose to participate in the hunt. The word "invariably" indicates a consistent and predictable pattern of behavior, suggesting that Zaroff's captives have no choice but to participate in the hunt.

Explanation
After the revolution in Russia, Zoroff left the country because it was imprudent for an officer of the czar to stay there. This means that it was not wise or sensible for Zoroff to remain in Russia as it could have had negative consequences for him as an officer of the czar.

Explanation
Rainsford had to control his impulse to run. This suggests that he had a sudden desire or urge to run, but he had to resist it or suppress it. The word "impulse" refers to a strong and often uncontrollable urge or desire to do something. In this context, Rainsford had to exercise self-control and restrain himself from acting on his sudden desire to run.

Explanation
In this context, Rainsford is trying to reassure someone and make them feel at ease. The word "disarming" means to remove or lessen suspicions or fears, which perfectly fits the situation described in the sentence. Therefore, Rainsford's smile can be seen as disarming, as it helps to alleviate any concerns or worries.