A student in our school will be immediately sent home if he is found __________ computer games at night.

A．play

B．playing

C．to play

D．played

男性，26岁，右侧腹股沟斜疝3年。应首选哪种手术方式（）。

A．单纯疝囊高位结扎术

B．佛格逊(Fergnson)法

C．麦克凡(McVay)法

D．巴西尼(Bassini)法

E．疝成形术