B.didn’t
put的三态是put-put-put
此句若为现在式put後会加s
没有加,所以此句为过去式,附加问句用didn't he为什么不是AThe boy put his money in his inside pocket, didn’t he?


The boy puts his money in his inside pocket, doesn’t he?


因为题干是过去式啊!
这样有比较理解吗?