He tried to deal with the increasing burden of his work,but he finally _____and had to take a complete

rest.   [ ]

A. broke off      

B. broke away        

C. broke out           

 D. broke down

病人男性，21岁，车祸头部外伤，昏迷30分钟后清醒，查体神志清楚，右颞头皮血肿，神经系统检查无阳性发现。入院观察，5小时后又转入昏迷，伴右侧瞳孔逐渐散，左侧肢体瘫痪。临床诊断首先考虑是（）。

A．脑挫伤

B．脑内血肿

C．脑水肿

D．急性硬脑膜下积液

E．急性硬脑膜外血肿