??

<p>Last year, the average salary of a first-time (teacher was $29,564 annually, increasing 3.2 percent over) the previous year.</p>

<p>(A) teacher was $29,564 annually, increasing 3.2 percent over
(B) teacher was $29, 564 annually, an increase of 3.2 percent over that of
(C) teacher was $29,564, an increase of 3.2 percent from
(D) teacher, $29,564, was an increase of 3.2 percent for
(E) teacher, $29,564, increasing 3.2 percent from that of</p>

<p>C</p>

<p>I realize choice B is redundant, but doesn’t choice C have to include “that of”?</p>

<p>One says “from [insert time]” and “over that of [insert time].”</p>