A、  B、  C、  B在问题的陈述句中It为非人称主语。因此不能用选项(A)中的him来回答。选项(C)是针对所需时间(How long)提问时的回答。

Do you think Alex is ready for the promotion?
(A) I think the title was Associate Director of Marketing.
(B) Definitely, he already takes on most of the duties.
(C) I’m ready for more responsibility, but no one ever gives me the opportunity.

It hasn’t rained in weeks.
(A) No, I haven’t seen him either.
(B) I know, and all the grass is dying.
(C) It takes six to eight weeks to ship.