* SC: Twice

[selva.e]

In the 1980’s the rate of increase of the minority population of the United States was nearly twice as fast as the 1970’s.
(A) twice as fast as
(B) twice as fast as it was in
(C) twice what it was in
(D) two times faster than that of
(E) two times greater than

[Ben Ku]

Please cite the source (author) of this problem. We cannot reply unless a source is cited (and, if no source is cited, we will have to delete the post!). Thanks.

Also, please explain where you're getting stuck. How are you approaching it? What specific questions do you have? Which answer choices have you eliminated?

[pawan_chitturu]

BeattheGMAT is the reference

I could narrow it down to "B" and "C"; please explain which option is better