- I thought she could have won the 100-metre race final.

- She almost _______. Jane passed her at the last second.[ ]

A. has

B. had

C. does

D. did

尖端扭转型室性心动过速的病因为（）

A.颅内病变

B.心动过缓

C.奎尼丁所致

D.先天性

E.电解质紊乱