单选题 Every chemical change either results from energy being sued to produce the change, or causes energy to be ______ in some form.
【正确答案】 A
【答案解析】[解析] given off表示“释放,放出”。B项put out表示“扑灭,生产”;C项set off表示“动身,开始”;D项used表示“用光,用完”。