单选题 It is illegal for a public official to ask people for gifts or money ______ favors to them.
【正确答案】 D
【答案解析】[解析] 句意:对公务员来说,以给人们好处来索要礼物或金钱是违法的。in exchange for在这里表示“交换”。in preference to优先于;in place of代替;in agreement with符合,一致。