GMAT Verbal Section | Re: Improving on CR questions in the 700-800 range

I seem to have hit a little wall. I have taken 3 Manhattan Prep tests - I noticed I was able to knock down all the RC and SC questions in the 700-800 range quite easily and effectively but CR I seem to be struggling with.

Here was the spread for 700-800 CR questions:
Questions Correct Wrong Accuracy Time Correct Time Incorrect
12 4733% 2:11 2:25

Because of this my verbal score was a low 37 - although I know if I can fix this then I can possibly