— Jannie, you should finish your assignment before Friday, understand?

— _____. I will finish it on time.

A．Got it

B．What

C．I can’t do that

D．I can’t promise

急性失血患者，失血量至少达到全身总血量的多少时会有贫血表现（）。

A.10%

B.20%

C.25%

D.30%

E.35%