Based on Thoreau’s beliefs and "Civil Disobedience," he most likely decided not to pay poll tax because

Thoreau believed people should not support a government when it acted unjustly. In “Civil Disobedience,” he refused to pay the poll tax as a way to protest the government’s policies, not because he wanted prison, lacked money, or misunderstood the law. The best answer is B, he disagreed with the idea of it.

AI-written and checked against the verified answer.