It is unlikely that the world will ever be free of disease. Most diseases are caused by very prolific microorganisms...

Claire on December 20, 2020

Further Explanation

Can someone explain why B over E? They seem to convey very similar ideas to me, so I think a further explanation would be helpful. Thanks!

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Shunhe on December 24, 2020

Hi @cbear,

Thanks for the question! So we’re being asked here for the role in the argument that “it’s unlikely that the world will ever be free of disease” plays. So what is that role? Well, let’s take a look at (E) first, which says that this statement is a conclusion that follows from the premise that most microorganisms are immune to medicines designed to kill them. So this is half right, half wrong. Yes, the claim is a conclusion. But the stimulus never says that most microorganisms are IMMUNE to medicines designed to kill them, it just says that they “evolve immunities,” and those are two different concepts. (B) is simply a better fit, because it isn’t as strongly worded as (E). Again, it says that it’s a conclusion (which it is), but says that the support is that there’s a description of responses of microorganisms.

Hope this helps! Feel free to ask any other questions that you might have.