单选题 Nancy: Caroline must have left since your train arrived so late. Elaine: To my surprise, I found her waiting for me at the station. Nancy: ________ .
【正确答案】 D
【答案解析】[解析] 本题是表示怀疑的语境。No kidding通常用于强调陈述真实性的语境中，相当于汉语的“不开玩笑了，说真的”，根据上面的语境，故选D。