GMAT Critical Reasoning (CR) | Re: Researchers have recently discovered that approximately 70% of restaur

Hi,

yes in this Case answer choice C is the correct one because of the following reasons:

First the conclusion ispeople shouldn´t order lemon wedges
Premise:70% lemon wedges are contaminated

Which of the following, if true, would most weaken the conclusion above?

A. The researchers could not determine why or how the microbial contamination occurred on the lemon wedges.(This doesn´t hurt the argument)

B. The researchers failed
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