He _______ have completed his work；otherwise, he wouldn’t be enjoying himself by the seaside.

A．should

B．must

C．wouldn’t

D．can’t

治疗急性心肌梗死气滞血瘀证，应首选的方剂是（）.

A.血府逐瘀汤加减

B.瓜蒌薤白半夏汤合桃红四物汤加减

C.当归四逆汤合苏合香丸加减

D.补阳还五汤加减

E.生脉散合左归饮加减