急求一道GMAT语法题解答

急求一道GMAT语法题解答
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
根据开头since February,不是应该用现在完成时吗?A为什么不对?
此题正确答案是C