Which of the following most logically completes the argument
Virtually all respondents to a recent voter survey reported allegiance to one of the two major political parties. But over a third of the voters from each party reported being so disenchanted with the governing philosophies of both parties that they might join a third major party if one were formed. Even if this poll reflects general voter sentiment, however, there is no chance that a new party could attract a third of all voters, since______.
A．the current level of disenchantment with the governing philosophies of the two major parties is unprecedented
B．the disenchanted members of the two major parties are attracted to very different governing philosophies
C．most respondents overestimated the proportion of voters disenchanted with both parties, saving that the proportion was more than 50 percent
D．nearly half of all respondents reported that they would be more likely to cease voting altogether than to switch their party affiliation
E．(E) any new party would be likely to inspire citizens who have not voted before to join and to become regular voters
