Since February, the Federal Reserve has raised its short-term interest

[quote="neeshpal"]Since February, the Federal Reserve has raised its short-term interest rate target five times, and because of the economy’s continued strength, analysts have been predicting for weeks that the target will be raised again in November.


(A) because of the economy’s continued strength, analysts have been predicting for weeks that the target will

(B) with the economy’s strength continuing, analysts predicted for weeks that the target

(C) because the economy continues strong, analysts predicted for weeks that the target would

(D) due to the economy’s continued strength, analysts have been predicting for weeks that the target

(E) due to the fact of the economy’s continued strength, analysts predicted for weeks that the target will

in this problem, we do not need to know present perfect to choose correct answer. but present perfect is hard and basic point and is tested frequently on gmat, so, we should learn about it

I think we we have to review a good grammar book for this point. I say a sentence now. present perfect is used when we want to connect past events and present time. we need to read more in grammar book on this points. a few lines of explanation of present perfect in postings can not help