They are just college graduates and don’t realize _____ to start and run a company.

A．what takes it

B．what they take

C．what takes him

D．what it takes

手肌腱松解术后1～7天的康复治疗（）

A.分别轻柔、被动屈曲近端指间关节、远端指间关节、掌指关节，主动屈曲上述关节

B.在屈腕和掌指关节下，轻柔、被动伸展近侧指间关节

C.主动伸展上述关节

D.被动握拳

E.以上练习在无菌条件下进行