The exercises are extremely difficult, but half of the class_____ them ahead of time.    [ ]

A. has already finished    

B. will finish    

C. have already finished    

D. finishes

53岁男患在饮酒中出现言语不清、呕吐，随即昏迷。查体：血压200/130mmHg，双眼球向左共同偏视，右鼻唇沟浅，右侧肢体坠落试验（+），对针刺无反应，临床诊断脑出血。部位是（）。

A.左侧基底节

B.右侧基底节

C.左侧桥脑

D.右侧桥脑

E.左侧顶叶