请帮我回答一道英语题,并说明理由!He asked me ( ) during the summer holidays?A.where had I been B.where I was C.where I had been D.where was I标准答案是选择c,求理由!

请帮我回答一道英语题,并说明理由!He asked me ( ) during the summer holidays?A.where had I been B.where I was C.where I had been D.where was I标准答案是选择c,求理由! 请以最快的速度帮我一道数学题,无图,并说明理由. 请回答.并说明理由 请教一道英语改错题,请回答并详细说明理由We knew that they would have more trouble getting there on time than us. 智力测验题一道!请给出答案,并说明理由! 请教英语大神帮我解答124568这6道题正确答案并说明理由, 请帮我解一下这道题.并说明一下理由.帮我解释一下.谢谢 请英语高手帮我解答难题单选并说明理由且翻译这句话He found Irene____at the piano with her hands on the keys( A.seating B.seated C.seat D.to seat) 一道英语选择题,但我不敢确定.请能确定答案的人回答并说明理由.— Don't be late for class next time.— _____________.A.Sorry,I won't B.Sorry,I will 英语题一道,说明理由 Is Mark here?No,he( )for Beijing two days ago.请选择 A left Bleaved C has left Dleaving帮我! 并说明理由 马瑙斯(亚马孙河一带的一个城市)越靠近赤道温度越低吗?这是有关高中地理方面的知识.请帮我回答,并说明理由. 高中化学填空题一道请说明理由. 高中数学填空题一道请说明理由 判断：纯小数比任何数小这是一道判断题,大家帮我判断一下是对是错,并说明理由, 求解一道数独题,请你帮我算出下一个数字就行了,并说明理由,001020580563807920820005003008604100010058060006201800900002058082509370005080200 ___ from the fact,he must be an honest man.__ from the fact,he must be an honest man.A.Judging B.Judged C.To judge D.Having judged 请高手帮我选出来,并说明理由, 回答问题并说明理由