saswata4s wrote:
(C)When they observed a new pattern for classifying precipitation events in the south Pacific, meteorologists studied once-rare storm types more generally, analyzing the impact of such events on isolated island populations in the region.
Hisaswata4s ,
IMO, they is not wrong in choice "C". "they" very well refers to meteorologists.
the construction is also fine because "when" makes part before the comma the subordinate clause (subject - they, verb- observed)
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