The nurse is caring for a client who is experiencing sinus bradycardia with a pulse rate of 40 beats/minute. His blood pressure is 80/50 mmHg and he complains of dizziness. Which medication would be used to treat his bradycardia

A．Atropine.

B．Dobutamine (Dobutrex).

C．Bretylium (Bretylol).

D．Lidocaine (Xylocaine).

中国人民银行及其省一级派出机构调查可疑交易活动时，调查人员不得少于（）。

A.一人

B.二人

C.三人

D.四人