—Catherine, I have cleaned the room for you.

—Thanks, you __________it. I could manage it myself.

A．needn’t do

B．needn’t have done

C．mustn’t do

D．shouldn’t have done

宜行针灸并用、补法的病症有（）。

A.肠道虚寒泄泻

B.恶心呕吐

C.脱肛

D.脾虚月经过多

E.痔疮出血