题目

传说4000多年前，炎帝、黄帝结盟打败蚩尤，后来又与九黎族经过长期发展融合，形成了华夏族。后为尊奉的华夏族祖先是（ ） A . 炎帝、尧 B . 炎帝、黄帝 C . 黄帝、尧 D . 尧、舜 答案：BYou had to stay at home yesterday, ________ you?A.didn'tB.weren'tC.didD.hadn't