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

Câu hỏi: Mark the letter A, B, C, or D on your answer sheet to indicate the sectence that is closest in meaning to each of the following questions.

A. People kept calling the airline main office since its announcement of ticket sale.

B. If the airline didn’t announce a ticket sale, its telephone would stop ringing.

C. The airline telephone was ringing because they announced a ticket sale

D. Nobody callde the airline until it announced its ticket sale