单选题 8.  We realized that he was under great ______, so we took no notice of his bad temper.
【正确答案】 B
【答案解析】 A.excitement意为“兴奋”,与句子语义相反,故排除;B.stress意为“压力”,常用under great stress,符合语义,答案故为B;C.crisis意为“危机”,常和face搭配;D.nervousness意为“紧张”,不和great,under搭配。