We forgave his bad temper because we knew that his son's illness had put him under great .
A. emotion
B. excitement
C. crisis
D. stress
网友回答
A. emotion
B. excitement
C. crisis
(答案→)D. stress
解析： D.考查名词。 put sb. under(great) stress使某人处境（非常）紧张，使某人受（很大）压力。