【正确答案】 C

【答案解析】解析：set(sth．)aside拨出，留出：把……置于一旁，不予理会(如：Each week he set as idea few dollars of his salary．Let's set aside our personal feelings．I warned them not to do it,but my objections were set aside．)。set about着手，开始(做)(如：set about one's task：set about making tea．I want to make a dress for myself,but I don’t know how to set about it．)。set off出发，启程；激起，引起；引爆。set…apart(from)(常以某人的品质或性格特点作主语)使分离，使分开；使显得突出，使不同于(如：His intelligence set him apart from the others．)。