Difficult PSAT 2013 Grammar Questions

<ol>
<li><p>Members of the historical society (A. are meeting) with the mayor (B. to insist that) city records pertaining to local businesses and organizations (C. long since) defunct (D. be carefully) preserved.
Wrong: B - Is “insist that” idiomatic?
Correct: E - No Error</p></li>
<li><p>Eighteenth-century French mathematician Sophie Germain was initially discouraged by (A. her) parents (B. to study) what was (C. then widely considered) a subject unsuitable for women.
Wrong: E - No Error
Correct: B - Why?!</p></li>
</ol>

<p>If you guys could just help me with these problems, I’ll greatly appreciate it! Thanks! </p>

<ol>
<li>No error for B</li>
<li>Her parents discouraged her FROM studying. </li>
</ol>

<p>Ohhh thanks so much! </p>