Mark the letter A, B, C or D to indi...

Câu hỏi: Mark the letter A, B, C or D to indicate the sentence that best combines each pair of sentences in the following questions.

A. Paul was supposed to have gone to the conference, but he fell ill.

B. Although Paul fell ill, he didn't attend to the conference.

C. Because of he was ill, Paul didn't attend the conference.

D. Paul didn't attend the conference as a result of his illness.