<p>Can someone please tell me why the answer is C and not E?</p>
<p>High school graduates usually do not end up earning as much income as college graduates do, this being why so many high school students go on to pursue college degrees. </p>
<p>A. do, this being why so many high school students
B. do, this is why so many high school students
C. do; this fact explains why so many high school students
D. do;this fact explaining the reason for why so many high school students
E. do, explaining why so many high school students</p>
<p>Help? Thanks.</p>