【单选题】Traffic statistics paint a gloomy picture. To help solve their traffic woes(悲哀), some rapidly growing US cities have simply built more roads. But traffic experts say building more roads is a quick-fix...
A.
Smart Highway Projects—The Ultimate Solution to Traffic Congestion.
B.
A Quick Fix Solution for the Traffic Problems.
C.
A Venture to Remedy Traffic Woes.
D.
Highways Get Smart-Part of the Package to Relieve Traffic Gridlock.