Ted came for the weekend wearing only some shorts and a Tshirt，________ is a stupid thing to do in such weather.(2011·全国Ⅱ)

A．this

B．that

C．what

D．which

对于初中和高中阶段的学生而言，情绪体验的重点在于（）。

A.失去控制

B.成人意识膨胀

C.压力体验

D.丧失感