Which of the following most logically completes the argument?

A recent poll found that over 80 percent of the residents of Nalmed Province favored a massive expansion of the commuter rail system as a means of significantly reducing congestion on the province's highways and were willing to help pay for the expansion through an increase in their taxes. Nevertheless, the poll results contain an indication that expansion of the rail system, if successfully completed, might be unlikely to achieve its goal of reducing congestion, because _______.

• Amost people in favor of expanding the rail system reported less congestion during their highway commute as the primary benefit they would experience
• Bof the less than 20 percent of residents not counted as favoring the expansion, about half claimed to have no opinion one way or the other
• Cthe twice-dairy periods of peak congestion caused by people commuting in cars have grown, over the past 20 years, from about an hour each to about two hours each
• Dexpanding the commuter rail system will require the construction of dozens of miles of new bed
• Ethe proposed expansion would make commuting by rail possible for many people who Eve in one suburb and work in a different suburb of the province's main city