-----Mr. Smith, can I come to ask for some advice on my paper at any time?

-----Yes, of course.             .

A．If you’re convenient

B．At your convenience

C．That’s right

D．Don’t mention it

恶性肿瘤进行化疗常可引起骨髓抑制，粒细胞及血小板减少。治法中不正确的是（）

A.益气养血

B.疏肝理气

C.扶正

D.滋补肝肾

E.健脾和胃