—  Where did you find your lost pen?

— It was in the park ____ we visited that day ____ I found it.  [ ]

A. what; that        

B. which; that        

C. where; that      

D. when; that

患者，女，70岁，已婚。子宫下脱，腰酸腿软，小腹下坠，小便频数，头晕耳鸣，带下量多，质稀，舌淡红，脉沉弱。其治法是（）

A.益气养血

B.补肾固脱

C.补气升提

D.清热解毒

E.健脾益气