Noticing some passers-by gathering on the road, Jill looked forward _______ what was the matter.

A．to find out

B． to finding out

C．only to find out

D．finding out

电泵抢水试验机组负荷300MW时对应的电泵勺管开度是（）。

A、58.1%。

B、62.3%。

C、65.5%。

D、68.9%。