“能行血中气滞，气中血滞，故专治一身上下诸痛”的药为

A．青皮

B．川芎

C．延胡索

D．姜黄

E．香附

31. At that time I still felt ______ my feet were cold and _______ my hands ached terribly.

A．that; that

B．that; /

C．that; what

D．what; that