题目选项分析

Studies of voting patterns in the town of Glen Isle have shown that the single most effective way for politicians to win votes is to purchase expensive television advertising. A candidate challenging the incumbent for a seat on the town council has argued that the importance of television advertising inherently favors incumbents and therefore that political television advertising should be banned in Glen Isle.

The challenger's conclusion logically depends on which of the following assumptions?

【选项】Not all challengers in Glen Isle are skilled political fundraisers.