Strengthen with Necessary Premise Questions - - Question 10

Advertisement: Clark brand-name parts are made for cars manufactured in this country. They satisfy all of our governm...

Hanfan September 9, 2022

Answer choice D

I know it has been elaborated on why e is wrong and d is right. the reason i crossed it out has not been mentioned yet. I got rid of D because the passage said that the foreign part may be unreliable and that you shouldn't take the risk of not choosing Clarks, meaning that some foreign parts are reliable. this would mean that there was a possibility that foreign parts were as good as or better than the government standards. is it because it notes the 'cheap' foreign parts? even then it seems it could be cheap but still reliable? let me know what you think

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Hanfan September 29, 2022

Hello, Just following up!

Emil-Kunkin November 28, 2022

Hi, I think this would be a valid reason to eliminate D as well.

Hanfan January 11, 2023

Hi emil, I believe D is the correct answer. Considering my reasoning why should I not have eliminated D?

Emil-Kunkin January 15, 2023

Oh wow, good point! I think the first lesson here is when pasting in my answers, I should check which one I'm responding to.

I would first want to point out that I don't think we know for sure that some foreign parts are reliable. We know there is uncertainty, but we have no idea if any are necessarily reliable.

For a necessary assumption question like this, I would aim to treat it as a must be true. Sure, it is possible that there are some high quality foreign parts, but their existence has no bearing on d. D is explicitly only talking about the cheap one, so the existence of good foreign parts is completely irrelevant.