I am between AC (C) and (D), however feel (C) is incorrect due to the wording of such. While the part about "providing reasons for rejecting an alternative course of action" fits the description, answer choice (C) also claims "it arrives at it's conclusion indirectly". The word indirectly is what is throwing me off, as the conclusion of the argument "The Transit Authority’s proposal to increase fares by 40 percent must be implemented." is DIRECTLY stated in the very first sentence. Can someone please explain?

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