The idea for the new plan came to his mind,         to his experiment in the lab.

A．while devoting

B．while devoting himself

C．while he was devoted

D．while devoted

髋关节脱位后根据股骨头的移位情况可分为（）。

A.上脱位、下脱位、中心性脱位

B.前脱位、后脱位、上脱位、下脱位

C.上脱位、下脱位、前脱位、后脱位、中心性脱位

D.前脱位、后脱位、中心性脱位

E.以上都不是