Emily: ________?
Scott: Yes, it certainly is.
Emily: About time too - after all that rain we had.
Scott: Yes, I know. That's why we went away this year.
根据Emily的第二句话,可知对话内容与天气有关,故排除A和B选项;根据Scott的第一次回答 “是, 当然是了。”可推测出问话为反义疑问句,而不是询问今天的天气状况如何,故选择D项。