Mr smith has little acquaintance_____modern poetry while he has a wide knowledge ___  painting.When it comes _____music,he has a talent_______it.

A．with; of ; to; for

B．of; about; to; of

C．with; about; at; of

D．of; of; to; for

下列关于医院感染常见病原体的叙述错误的是（）

A.常为多重耐药菌株

B.大部分为人体正常菌群的转移菌或条件致病菌

C.常侵犯免疫功能低下的宿主

D.大肠杆菌是泌 * * 感染的主要病原菌

E.同一种细菌，医院外分离出的病原体菌株的耐药性更强、更广