该句译为：和你做的作比较,她做的是合理的.
compared 是正确的.此处是考察compare的用法.其用法如下：compare...to（非同类间比较）或compare...with（同类间比较）.在该题中Whatever she did was reasonable和compare是动宾关系,即compare whatever she did to what you had done.故应用过去分词compared,此处compared to what you had done作状语.