Question

I would like something ( ) one my sister is wearing. A.such B.like C.as D.that

提问是
What kind of dress do you want to buy?

Answer 1

个人觉得是B。
我查了一下语法书。as 是从属连词，其后接主谓结构（有时省略谓语），like是介词，后面只可接名词、代词或动名词。
这里I would like something like the one (that)my sister is wearing.
我个人觉得that 引导定语从句，that可省略。
如果没有one的话，应该是as

Answer 2

是B，用排除法，A肯定不行，C的as后应该有the,特指某一件，C排除。D的that 填进去后，成为something that = what，于是应该构成what引导的宾语从句，what为间接宾语，one成为多余的，所以D选项排除。答案为B

Answer 3

C as the