—Tom,isyourbrotheramemberoftheSwimmingClub? —Yes.He

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

—Yes. He _________ it for five years.

joined B. has been in C. joined D. has joined in

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