Every evening after dinner if not from work I will spend some time walking my dog. A. be

问题补充：

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

答案：

A. being tired

B. tiring

(答案→)C. tired

D. to be tired

解析：考查省略句式。在if引导的条件状语从句中，从句中还原应为if am not tired from work，根据省略的原则，所以答案选C。