When the invader arrived, millions of people ____ from their homeland.

A．had turned away

B．were turned away

C．had turned out

D．were turned out

骨盆骨折移位严重，使用骨牵引的适应证是向上移位超过（）

A.2.0cm

B.1.0cm

C.3.0cm

D.2.5cm

E.4.0cm