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I have one doubt : gmat doesn't prefer use of have when comparison verb in first leg doesn't contain have : however the correct option does so
Imo a better construction should be “as many stars in the centuries past did“

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I have one doubt : gmat doesn't prefer use of have when comparison verb in first leg doesn't contain have : however the correct option does so
Imo a better construction should be “as many stars in the centuries past did“

Please guide

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I have some confusion with Option A here.
The statement predicts something in the future, within a specified timeline - I believe the usage of future perfect tense "will have expanded" is correct here. Also, using "have" for a singular noun "A star" is not incorrect, when it is used in future perfect tense.
For eg. - The OA in question "https://gmatclub.com/forum/researchers-have-updated-their-forecasts-of-the-impact-of-melting-ice-303447.html" uses similar future perfect tense.

I agree the sentence is too worded and Option B is clear and concise, but I am unable to find a solid ground of rejecting Option A.
Any help?
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