During the exam, we must _________ nervousness. [ ]

A. go over

B. turn over

C. get over

D. look over

下列选项中属于地方批发商缺点的是( )。

A．有时提供的商品不一定适合当地用户的需要
B．销售领域太广
C．不能大量进货和充分备货
D．与用户接触较少