—Could I ask you some personal questions?

—________[ ]

A. Yes, don't worry.  

B. Sure, go ahead.

C. Yes, help yourself.  

D. Sure, why not?

患者，女，18岁。每次月经错后10日左右，月经量少色淡，身倦乏力，头晕心悸，舌质淡，脉细弱。治疗应首选

A．沙参、白术

B．熟地、当归

C．桃仁、红花

D．人参、葛根

E．党参、茯苓