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In order to relieve traffic congestion, the city of Gastner built a new highway linking several of the city’s suburbs to the downtown area. However, the average commute time for workers in downtown Gastner increased after the new highway opened.
17.
Which one of the following, if true, most helps to explain the increase in average commute time?
a
Most people who work in the downtown area of Gastner commute from one of the city’s suburbs.
b
The location of the new highway is most convenient for people who commute to and from Gastner's largest suburbs.
c
Shortly after the new highway was opened, several suburban roads connecting to the new highway were upgraded with new stoplights.
d
At the same time the new highway was being built, road repair work was being done on important streets leading to downtown Gastner.
e
In Gastner’s downtown area, traffic on the roads near the new highway became more congested after the new highway was opened.