Critical Reasoning (CR) | Re: Lobsters usually develop one smaller, cutter claw and one larger, crus

Sorry I think C is the correct answer, cuz in the passage “exercise determines which claw becomes the crusher” is just a conjecture, but NOT a fact. And the results of the 2 experiments which are designed according to the conjecture are contradict, so the conjecture should be wrong.

Choice A assumes the conjecture is a fact. Maybe the development of a crusher claw and a cutter claw has nothing to do with exercising (I mean it is other factors that result in lobsters’ a crusher claw and
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