Every evening after dinner, if not from work, I will spend some time walking my dog.
A. being tired
B. tiring
C. tired
D. to be tired
网友回答
A. being tired
B. tiring
(答案→)C. tired
D. to be tired
解析：考查省略，if引导的条件句，相当于if I am not tired from work意思“如果我不累的话”，所以选C