单选题 16.I'm sorry I can't see you immediately; but if you'd like to take a seat, I'll be with you______.
【正确答案】 B
【答案解析】本题测试介词短语辨析。B项in a moment“很快”;其他几项的意思为:A项for a moment“一会儿”;C项for the moment“暂时”;D项at the moment“此时,此刻”。