Explanation
Reading the question: in our initial approach, we might
look first at the question stem. It specifically asks about the café's approach
to testing with potential customers. The central issue is why they tested not
the beverages but they did test the atmosphere. Evidently 1) the
beverage does not need testing. And 2) the atmosphere needs testing. An explanation
will touch on both points. And, definitely, the atmosphere needs testing more
than the beverages do. That would be the ideal; a comparison of atmosphere and
beverages establishing that atmosphere in more in need of testing. We can use
that as our filter.
Applying the filter: Choice (A) doesn't involve a
comparison of beverage and atmosphere, so we hold it in contempt. Choice (A) is
out. Choice (B) is awkwardly phrased, comparing a café with its atmosphere, but
it doesn't compare directly or indirectly with the beverages. Choice (B) is
out. (C) is quite immaterial to the comparison; out. (D) is brilliant because
it actually compares the beverages and the atmosphere. (D) is in. (E) does not
involve a comparison. (E) is also nonsensical because customers don't have to
make this prediction; the café owners are doing the "gauging," per the prompt.
The correct answer is (D).
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