The correct answer to this question is C, Faulty cause. A fallacy is a statement based on the unsound logic. There are many fallacies, and the faulty cause is one of them. A fault cause occurs when one states that because A happened, B occurred.
An example is, I wear pink every Friday. Last Friday, I decided to wear red, and it was a horrible day. If I had worn pink, it would have been a good day like the rest. This example is blaming the color of clothes as to while they had a bad day, which is not logical.