以下哪一病变不是伤筋的常见并发症（）
A.神经损伤
B.缺血性肌挛缩
C.骨性关节炎
D.损伤性骨化
E.关节内游离体
参考答案：B
.
— When did they come back last night?
— It was midnight ____ all of us were sleeping.
A．that
B．when
C．which
D．in which
Now young people like to go to the fast-food restaurant,____ ,as the name says,eating doesn’t take much time.
A．which
B．that
C．what
D．where
