GMAT Sentence Correction (SC) | Re: The data being collected in the current geological survey

I still do not get why A is a better option than E.


a) The data being collected in the current geological survey are providing a strong warning for engineers as they consider the new dam project, but their greatest importance
They and Their in A create ambiguity. are providing .....as they consider....doesn't this need parallelism? provide....as they consider


e) The data collected in the current geological survey provide a strong warning for engineers in consideration for the new dam project,
...

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