The vast differences in the ways students learn are often_____when they are taught the same thing, in the same way, at the same time. Therefore many of them feel little enthusi astic and even hostile for the ways instruction is handled.

A．disregarded

B．distinguished

C．discharged

D．discerned

问卷设计完成后，在进行大规模正式调查之前，需要对问卷的各个部分进行全面的检查，具体办法是通过（）。

A.问卷评估

B.模拟调查试验

C.问卷审查

D.问卷评价