男性，40岁，半小时前自汽车上摔下，左枕部着地，伤后昏迷不醒，枕部头皮挫伤，双瞳孔散大，对光反射弱，四肢强直，双下肢病理征阳性。在急诊室输20%甘露醇250ml后，左瞳孑L缩小，进一步急救措施是

A．枕部开颅减压术
B．右侧颞肌下减压
C．左侧颞肌下减压
D．右额开颅血肿清除
E．左额开颅血肿清除

By the following semester, it is likely that the old professor______on the campus of Califor nia University for two decades.

A．will have to be teaching

B．will have been taught

C．will have been teaching

D．will be teaching