Mammals cannot digest cellulose and therefore cannot directly obtain glucose from wood. Mushrooms can, however; and s...

ginakd on October 17, 2022

Answer Choice B

I understand why C is correct now, but how can we eliminate answer choice B?

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Emil-Kunkin on October 19, 2022

B is wrong because there could be some other properties that mushrooms have that fight cancer. B is saying that this is the only way they fight cancer, but we have no reason to believe there isn't another possible causal pathway.