患者男性，25岁。因十二指肠溃疡急性穿孔后进行彻底的溃疡手术，术后出现尿潴留。

该药的作用机制为（）

A.激动M受体

B.阻断M受体

C.激动阿片受体

D.抑制胆碱酯酶

E.激动α受体

My family and I __ our New Year’s Eve dinner when the news of the outbreak of the war __ over on the radio.

A．enjoyed..came

B．were enjoying..was coming

C．enjoyed.. was coming

D．were enjoyed..came