Mark the letter A, ...

Câu hỏi: Mark the letter A, By c, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

A. The coffee was very strong, but it couldn’t keep US awake.

B. We were kept awake because the coffee was strong.

C. The coffee was not strong enough to keep US awake.

D. The coffee was so hot that it didn’t keep US awake.