. The meeting was about to end and everyone was in a hurry to leave when Ted insisted_____

Some questions.

A．on asking

B．to ask

C．asking

D．that he had asked

男性，18岁，晨卧床不起，人事不省，多汗，流涎，呼吸困难。体检：神志不清，双瞳孔缩小如针尖，双肺布满湿哕音，心率60次/分，首先考虑的诊断为

A．急性巴比妥中毒
B．急性氯丙嗪中毒
C．急性CO中毒
D．急性有机磷中毒
E．急性安定中毒