— Tom is your brother a member of the Swimming Club? —Yes. He it for five years.A. has j

问题补充：

— Tom, is your brother a member of the Swimming Club?

—Yes. He it for five years.

A. has joined

B. has been in

C. joined

D. has joined in

答案：

A. has joined

(答案→)B. has been in

C. joined

D. has joined in

解析：此题重点考查延续性动词的用法，因答语是段时间，故谓语动词要用延续性动词。join是非延续行动词，不能和段时间状语连用。