.Mr. Lia secretary for five years in the company and now he is the general manager of it.

问题补充：

.Mr. Lia secretary for five years in the company, and now he is the general manager of it.

A. is

B. was

C. had been

D. has been

答案：

A. is

(答案→)B. was

C. had been

D. has been

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