Sentence Correction (SC) | Re: A recent spate of news reports questioning the long-term health

A recent spate of news reports questioning the long-term health benefits of high-fat dietshave done little to convince its practitioners that they should follow more traditional weight-loss plans.

A.have done little to convince its practitioners that they should follow more traditional weight-loss plans - spate of new reports - singular ---> has to be "HAS"
B.have done little to convince their practitioners to follow more traditional weight-loss
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