GMAT Critical Reasoning (CR) | P: Because an elected official needs the support of a political party

P: Because an elected official needs the support of a political party to be effective, the independent candidate for the legislature cannot possibly be an effective legislator if she wins.
Q: I disagree. By your reasoning, our current legislator, who has the support of a political party, ought to have been effective, but he has hot been.

Which one of the following is the best criticism of Q’s statement?

(A) It simply contradicts P’s claim without offering evidence against it.
(B) It does
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