—What were you up to when she dropped in?  

—I _____ for a while and _____ some reading.   [ ]

A. had played; was going to do      

B. played; did   

C. was playing; was going to do    

D. had played; did

急性有机磷农药中毒患者，发生肺水肿时抢救的首要措施是

A．强心甙应用

B．使用度冷丁

C．吗啡皮下注射

D．静注阿托品

E．静注解磷定