Mark the letter A, B, C, or D on your...

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that is closest in meaning to each of the following questions.
It was overeating that caused his heart attack.

A. If he didn’t overeat, he wouldn’t have a heart attack.

B. If he had overeaten, he would have had a heart attack.

C. If he hadn’t overeaten, he wouldn’t have had a heart attack.

D. If he overate, he would have a heart attack.