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 one that best completes each sentence.
The instructions from air traffic control were not fully explicit, and________.

A. so that the pilot made an error and crashed

B. as a result, the pilot made an error and crashed

C. therefore the pilot made it crash

D. resulting from the pilot crashing the plane