单选题 Speaker A. Excuse me, Mr. Black, can you spare me a few minutes? There's something I'd like to speak to you about. I won't keep you long.Speaker B: ______
【正确答案】 B
【答案解析】A方请求与B方谈话,需要B方做出同意或不同意的答复。A和C项用在此场景很不得体。D项不符合这一场景下的语言表达。B项“行,说吧”表示B方同意,是正确答案。