Câu hỏi:  Mark the letter A, B, C or D on your answer sheet to indicate that best combine this pair of sentences in the following questions.

A. It was due to the car broke down that we missed our plane

B. It was because the car broke down that we missed our plane

C. It is the car broke down that we missed our plane

D. It is due to the car that broke down that we missed our plane