Pop music is loved by lots of young people，but it is not to everyone’s _________.

A．smell

B．taste

C．sound

D．favor

必须紧急手术治疗的疝是（）

A.易复性疝

B.难复性疝

C.滑动性疝

D.嵌顿性疝

E.绞窄性疝