GMAT Sentence Correction (SC) | Re: Although a surge in retail sales have raised hopes that

Although a surge in retail saleshave raised hopes that there is a recovery finally under way, many economists say that without a large amount of spending the recovery might not last.

(A) have raised hopes that there is a recovery finally-- Subejct is singular but HAVE is plural verb so this is wrong; In GMAT try to avoid THERE IS kind of contruction unless necessary as they decrease the impact of the sentence by making it wordy and indirect. If the same can be expressed in more direct way then prefer
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