In front of the whole audience, Premiere Wen made his promise ______ the government would try its

best to solve the problem of poverty in China.[ ]

A. what        

B. which            

C. that            

D. whether

肥厚型心肌病的临床表现是()。

A．劳力性呼吸困难

B．胸痛

C．起立或走动时晕厥

D．可发生各种心律失常、脑栓塞、肺栓塞等

E．卧位心绞痛