This pair of shoes look nice.Can I ---?A.try them on B.Put i

This pair of shoes look nice.Can I ___?A.try them on B.Put it on C try it on D put them on 选A?这是西宁市2011年高中招生考试英语试题,它在解析中这样说:本题重点考察动词词组辨析,try on 意为“试穿”,put on 意为“穿上”,句意为：这双鞋很漂亮,我能试穿吗?主语shoes为复数,所用代词为them,故本题选A.我人为主语不是pair吗?应选C,但是答案选A,我很纠结.