--- Is it convenient to you if I call you up at 9 o’clock tomorrow morning?

--- I’m afraid not. I _________ a speech then.

A．was giving

B．will be giving

C．am giving

D．will have given

子宫内膜癌前病变是指（）

A.增生期子宫内膜

B.子宫内膜单纯型增生

C.子宫内膜复杂型增生

D.子宫内膜不典型增生

E.萎缩型子宫内膜