—Do you know Jerry? —Sure.For a week. A. when will Mr. Zhang come backB. where will Mr.

问题补充：

—Do you know , Jerry? —Sure.For a week.

A. when will Mr. Zhang come back

B. where will Mr. Zhang go

C. how long Mr. Zhang will be in the UK

D. how soon Mr. Zhang will come back

答案：

A. when will Mr. Zhang come back

B. where will Mr. Zhang go

(答案→)C. how long Mr. Zhang will be in the UK

D. how soon Mr. Zhang will come back

解析：考查宾语从句。句意 你知道张先生在英国呆多长时间吗。一周。根据下文提到For a week.，一段时间，故用how long 来进行提问，所以选C项。