SC - Require solution

[shaliniraina05]

According to a 1996 survey by the National Association of College and University Business
Officers, more than three times as many independent institutions of higher education charge
tuition and fees of under $8,000 a year than those that charge over $16,000.

A. than those that charge
B. than are charging
C. than to charge
D. as charge
E. as those charging

Supposedly correct answer is D but i marked E

[tim]

As per the forum rules, we need a verifiable source for the problem before we can deal with this question. If the question is not one of ours or one that is copyright-free, we will have to delete the question..

Before we help with this question, we need you to show some effort of your own. What did you try on this question? Where did you get stuck?

[shaliniraina05]

Oh, I was not aware of that. I came across it from the notes that my friend had given.

[tim]

No worries. Wish we could help, but we need to be careful about which problems are allowed on our forums..