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

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.
Mr. Kha remembered to take everything except his front door key.

A. The only thing which Mr. Kha forgot was his front door key.

B. Mr. Kha remembered to take everything including his front door key.

C. The only thing that Mr. Kha remembered was his front door key.

D. Except his front door key, Mr. Kha forgot everything.