______ nearly all behavior is learned behavior is a basic assumption ______ has been put forward by the social scientists.

A．What, that

B．That, what

C．What, what

D．That, that

小关节面综合征的CT征象应除外（）

A.关节腔真空征

B.关节囊钙化

C.关节面下囊性变

D.椎弓峡部崩裂

E.关节突增生并骨赘形成