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

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

A. These people have been working for this company since 1986

B. These people haven’t worked for this company in 1986.

C. These people worked for this company since 1986

D. These people have been working for this company in 1986.