Critical Reasoning (CR) | Re: Callers to a customer help line frequently complained about the qualit

Why is "B" even relevant here? The question suggests that the complaints stemmed from lack of knowledge to solve problems. It is not about longer waiting time.

D makes more sense. Few callers who previously complained about the service actually called back to observe the progress made by service agents. As a result, when they were present with the same survey, those callers would still complain.

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