— Helen, we             your report. Is it ready?

— Yes, it is. I just want to look it over and then I'll send it. [ ]

A.didn't receive

B.haven't received

C.hadn't received

D.don't receive

我国预防与控制艾滋病防治的基本策略是：（）

A、预防为主、宣传教育为主

B、防治结合

C、标本兼治

D、综合治理