SAT writing actual questions

Test Preparation
1

<p>Can someone explain the following? these questions have appeared on the released actual Jan. 06 SAT. </p>

<p>1) Not many authors have described the effects of enviromental pollution as effective as Rachel Carson, whose work is still a model for nature writers. no error.
answer: c</p>

<p>2) Five years in the writing, her new book is both a response to her critic's mistrust with her earlier findings and an elaboration of her original thesis. no error.
answer: c</p>

2

<ol>
<li><p>is c, because it should be as effectively</p></li>
<li><p>is c, with is an idiom error or something. you never say mistrust with, it doesn't make sense.</p></li>
</ol>

3

<ol>
<li><p>effectively</p></li>
<li><p>mistrust of</p></li>
</ol>