Question ID:PT78 S1 Q17 Passage: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. Stem:Which one of the following, if true, most helps to explain the increase in average commute time? Correct Answer Choice:EChoice A:Most people who work in the downtown area of Gastner commute from one of the city‚ s suburbs. Choice B:The location of the new highway is most convenient for people who commute to and from Gastner's largest suburbs. Choice C:Shortly after the new highway was opened, several suburban roads connecting to the new highway were upgraded with new stoplights. Choice D:At the same time the new highway was being built, road repair work was being done on important streets leading to downtown Gastner. Choice E:In Gastner‚ s downtown area, traffic on the roads near the new highway became more congested after the new highway was opened.