It was Xu Beihong ________ developed the tradition of combining poetry with painting ________

had a leading position in the history of modern Chinese folk art. [    ]

A. that; that  

B. what; that

C. which; that  

D. who; that

急性心梗伴心力衰竭者治疗何以不用洋地黄类药

A．对心梗不利

B．易中毒

C．增高血钾

D．易损害肾脏

E．引起转氨酶增高