Hard sentence correction question

[shivrakesh65]

[redacted]

[RonPurewal]

as per the forum rules, we need a citation of the original source for all problems posted in this folder.

that's the ORIGINAL source (= whoever / whatever entity owns the copyright to the problem).
another forum, such as GMAT Club, is not an original source.

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to avoid having posts removed in the future, please read the forum rules (top post in this folder) before posting. thanks.

in the forum rules post, there's a list of sources that are prohibited here.
if the source isn't on that list, please re-post your question with a proper citation. thanks.

(...and if you don't know the original source... well, then, don't use the material!)