49.If these shoes are too big,ask the clerk to bring you a smaller _D_.A suit B set C one D pair
问题描述：
49.If these shoes are too big,ask the clerk to bring you a smaller _D_.A suit B set C one D pair
为什么不选C?
答
因为前面的有提到是“these shoes are too big”是复数.所以就不能选C了.
正确答案应该是D吧?
不知道我的回答是否正确.