Every evening after dinner, if not from work, I will spend some time my dog.
A. tired; walking
B. tiring; to walk
C. being tired; walked
D. to be tired; walk
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(答案→)A. tired; walking
B. tiring; to walk
C. being tired; walked
D. to be tired; walk
解析：考查非谓语动词。I是tired的逻辑主语，当if条件句的主语跟主句主语一致，且谓语是be动词时，if从句常省略主语和谓语，完整形式是if I am not tired from work。spend time doing sth花时间做某事，故选A。