The answer is letter B. It's IS
Explanation
Identify the error on the following sentences.
The answer is letter A. It's WHERE IN
The answer is letter A. It's BYSTANDERS
The answer is letter A. It's BEFORE LONG
The answer is letter A. It's OF THE
The answer is letter C. It's WHATEVER
The answer is letter D. It's IT
The answer is letter C. It's THROUGH
The answer is letter A. It's UNUTTERABLE
The answer is letter A. It's WAS