We forgave his bad temper because we knew that his sons illness had put him under great .

问题补充：

We forgave his bad temper because we knew that his sons illness had put him under great .

A. emotion

B. excitement

C. crisis

D. stress

答案：

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。