http://7sage.com/lsat_explanations/lsat-34-section-3-question-25/This question asks us to parallel argument.
J presents a either or situation in which both outcomes are undesirable. T in turn shows J that if customers are environmental responsible, that no business' market share will decrease thus making first option more desirable.
I can see why A is the correct answer: J again presents either or situation both with terrible outcomes and T provides an condition that makes one of them better. What I would like to clarify is why B is incorrect. Is it because T provides solutions that incorporates both options?
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Comments
It's because in answer choice B, T doesn't add an additional factor (popular demand, the hose, etc.) that changes things, he just shows that J's second option isn't really all that bad. In the original argument (and also A), the two outcomes are clearly undesirable. Outside of the fact that I'm lazy, what exactly is undesirable about eating vegetables and exercising?