“手能侧捏及拇指松开，手指能半随意地、小范围地伸展”属于Brunnstrom脑卒中恢复六阶段之阶段（）

A.Ⅰ

B.Ⅱ

C.Ⅲ

D.Ⅳ

E.Ⅴ

I’m sorry you’ve been waiting so long, but it’ll still be some time ____ Brian get back.

A．before

B．since

C．till

D．after