Question
Find out the error according to the grammar and context
of the given sentences. If there is no error, mark option 5 as the answer, i.e. No error. (Ignore the punctuation errors, if any.) The project had barely started gaining momentum when unexpected logistical challenges arose, which disrupted the timeline and is now delaying its completion.Solution
The subject "challenges" is plural, so the verb "is" should be "are" for proper subject-verb agreement.
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