单选题 A: I'm seventy-eight, but I never stop jogging every evening.B: You're seventy-eight? No kidding. ______
【正确答案】 A
【答案解析】[解析] no kidding意思是“别开玩笑”,选择“你看上去不像(78岁)”保持前后语气一致。故选A项。