The nurse is caring for a client with a fractured hip. The client is combative and confused, and he's trying to get out of bed. The nurse should （）.

A．leave the client and get help.

B．obtain a physician's order to restrain the client.

C．read the facility's policy on restraints.

D．order soft restraints from the storeroom.

男孩，2岁，胸骨左缘第3～4肋间闻及连续性杂音，肺动脉第二心音增强，脉压差增大，股动脉有枪击音，最可能的心脏病是（）。

A.法洛四联症

B.室间隔缺损

C.房间隔缺损

D.动脉导管未闭

E.急性心包炎