GMAT Critical Reasoning (CR) | Re: Country X imposes heavy tariffs on imported manufactured

Hi all,
I do agree that sustainable market is crucial to the long term profit for the company,but is it necessary for such market to already exist in the first place? What if company Y see the potential,sustainable markets which none has invested in country x?

With this reason,I not quite convince with option C and wrongly mark option A.
Even if this option is not quite around the plausible profit of the company,the company couldn't go any further if the plant couldn't be set up.
Please share
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