Kate is _____busy_____ she can't have a picnicwith us this weekend.      [ ]

A. so ; that    

B. too ; to

C. such ; that  

D. so ; as

药物治疗慢性充血性心力衰竭的目的错误的是（）.

A.改善血流动力学变化

B.提高心排出量

C.逆转心室肥厚

D.延长患者生存期

E.降低血液黏滞度