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A city built new bike lanes and cycling rose sharply. Officials credit the lanes. Which, if true, most strengthens their claim?
AThe lanes were expensive to build
BMany residents own bicycles
CA comparable neighbouring city that built no new lanes saw no rise in cycling
DCycling is good for health
Answer & Solution
Correct answer: C. A comparable neighbouring city that built no new lanes saw no rise in cycling
A comparison city with no lanes and no change isolates the lanes as the cause, strengthening the claim.
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