Which choice best states the main idea of the text?

|Question 6Verbal

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While no one doubts that politicians are influenced by a variety of incentives, it is generally agreed that they seek to support policies their constituents favor—after all, they risk losing office if they do not. Direct contact with constituents via such means as public events and emails from voters is a major source of politicians' beliefs about their constituents' views, but it is susceptible to a selection effect. There is little reason to presume that individuals with the time, resources, and strength of feeling to directly engage with their representatives are themselves broadly representative.

People who are likely to contact their elected representatives do not tend to be representative of politicians' constituents generally.

Direct contact with constituents shapes politicians' beliefs about policies their constituents favor, and they try to act in accordance with those beliefs.

Politicians aim to advocate for their constituents' policy preferences, but politicians' understanding of those preferences may be skewed.

Although politicians have an incentive to act in accordance with their constituents' views, that is not the only incentive that influences their policy decisions.