Cannot understand this Writing question

Test Preparation SAT Preparation
1

<p>Here it is (2013-14 practice SAT)</p>

<p><a href=“Screenshot - cae0c9668dc8dd8add47d516d8c782ec - Gyazo”>http://gyazo.com/cae0c9668dc8dd8add47d516d8c782ec&lt;/a&gt;&lt;/p&gt;

<p>The answer is C and difficulty is 5</p>

2

<p>Mistrust goes with “of”</p>