When it es ourselves at the weekend, he would talk about his fishing experiences in the countryside.
A. relaxing
B. to relax
C. to relaxing
D. being relaxed
网友回答
A. relaxing
B. to relax
(答案→)C. to relaxing
D. being relaxed
解析：When it es to…常用来提起一个新的话题，有“说起”之意，其中to为介词，后接名词、代词或动名词。