第31题: [单项选择]I'm sorry I can't see you immediately; but if you'd like to take a seat, I'll be with you______. A. for a moment B. in a moment C. for the moment D. at the moment 参考答案:B 答案解析:in a moment 意为“立刻”;for a moment 意为“一会儿”for the moment 意为“暂时”;at moment 意为“此时”。依题意,B)项为正确答案。