GMAT Sentence Correction (SC) | Experts' Topic of the Week, 6/26/17: WTF is THAT doing in my sentence?

HiGMATNinja ,

Sometimesthat is not followed by complete verb and is used in comparison to specify an entity too.
Any views on this OG eg:
https://gmatclub.com/forum/scientists-h ... 05348.html

HereTHAT is very much required since its absence distorts comparison.

When used as demonstrative pronoun, as in your post,
...

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