The boy wanted to ride his bicycle in the street, but his mother told him ______.

A．not to

B．not to do

C．not do it

D．do not to

Allis法复位（）。

A.肩关节前脱位

B.肘关节后脱位

C.桡骨小头半脱位

D.髋关节后脱位

E.髋关节前脱位