.

—— You finally made it , didn’t you ?

——Yes , ____your help , I would have not succeeded.

A．but for

B．except for

C．but that

D．thanks to

关节突跳跃症是指（）。

A.脱位的上下关节突相互依托，形成顶对顶

B.上经脊椎的下关节突超过了下经脊椎的上关节突，形成背靠背

C.以C4最多见

D.只发生于C3-7间节段

E.以C6最多见