Building additional road capacity may seem like an obvious solution to traffic congestion, but numerous studies have cast doubt on the __________ of that approach. Not only does additional road capacity often fail to relieve congestion, but it can also make traffic worse by encouraging more people to drive.
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Verbal·Craft and Structure·Words in Context
mediumWhich choice completes the text with the most logical and precise word or phrase?
A
aesthetics
B
efficacy
C
popularity
D
viability