2.The salesgirl said that my mother could choose _______ dress looked nice on her and that the store would give all the

问题描述:

2.The salesgirl said that my mother could choose _______ dress looked nice on her and that the store would give all the customers a 20% discount.
a.which b.any c.whichever d.some
这是什么从句

宾语从句.