— Why didn't you go to Mike's birthday party last night?  

— Well, I ______ , but I forgot it.    [ ]

A. should  

B. would  

C. should have  

D. must have

属于“实则泻其子”治则的治疗是（）

A.肝火旺泻心火

B.肝火旺泻胆火

C.肝火旺泻脾

D.肝火旺泻肺

E.肺火旺泻大肠