The sick salesman was happy to stay at home because doing was a thorough rest for him.
A. everything
B. nothing
C. anything
D. something
网友回答
A. everything
(答案→)B. nothing
C. anything
D. something
解析：考查不定代词：句意：生病的销售员很高兴呆在家里，因为什么都不做对他来说是完全的放松。A.everything一切，B. nothing 没有什么，C. anything任何事情，D. something某些事情，从主句可知呆在家里是什么都不做。选B。