题目：We realized that he was under great________，so we took no notice of his bad temper.

[A] excitement

[B] stress

[C] crisis

[D] nervousness

答案：B

译文：我们都意识到他身上的压力，所以不计较他的坏脾气。

解析：名词辨析题。stress表示“压力,紧张”，坏脾气一般与有压力有关，因此选[B]。crisis指“危机”；而nervousness指“神经过敏”, excitement指“兴奋，激动”，与句意不符。