— I  wish I hadn't thrown away that reading list.

— I thought you might regret it, that's why I _______ it up from the waste basket.[ ]

A. had picked

B. would pick

C. have picked

D. picked  

阵发性室性心动过速需要及时终止其发作，最主要的原因是

A．可发生栓塞
B．可诱发心力衰竭
C．可发生心绞痛
D．可引起心源性休克
E．可发展为心室颤动