To find proof, you have only to ________a magazine or newspaper or count the radio or television commercials that you hear in one evening.
句意：要想找到证据，你只需翻阅一份杂志或报纸，或统计你一晚上听到的收音机或电视广告。put up提出。keep up赶上。take over接管。leaf through翻阅。因此， 本题的正确答案为D。