胸、腰椎骨折并关节突交锁，首选的治疗方法是（）

A.骨盆牵引

B.骨折处垫厚枕复位

C.局麻下手法复位

D.手术切开复位

E.双踝悬吊法复位

One feels it hard to fit in with a new culture _______ he has been accustomed to his won culture.

A．the moment

B．which

C．now that

D．as