September 1995 LSAT Section 2 Question 21

Several years ago, as a measure to reduce the population of gypsy moths, which depend on oak leaves for food, entomol...

Jasmin1 on June 21, 2021

Why not answer B

I understand why A supports the answer, I was stuck between A and B. I thought B would be good because it rules out an alternative cause/explanation. Isn't this a strategy we're supposed to use?

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Raheel on June 20 at 06:13PM

Same question, why is b wrong?

Emil-Kunkin on June 21 at 09:55PM

I don't don't really see how b is relevant. We are trying to show that the fungus caused the decline in population. Whether it does or doesn't have an impact on other species doesn't support or hurt the argument unless we add in additional info about what happened to those species.