单选题 The senator agreed that his support of the measure would {{U}}jeopardize{{/U}} his chances for reelection.

【正确答案】 B

【答案解析】[解析] 句意为：参议员认为对这项措施的支持会危及他再次当选。jeopardize“害处，危害，危险”，四个选项：benefit“有利，益于”；endanger“处于危险境地，使处于危险”；hinder“阻碍，阻挠”；disturb“打搅”；所以B项符合题意。