题目

根据对话内容，故答案选择正确答案。Lucy：Good morning，Gina！Gina：Good morning，Lucy！Lucy：How are you？Gina：I'm fine，thank you.Lucy：Do you know(认识)Rose？Gina：Yes. Rose is my friend and her mother(母亲)is my English teacher.Lucy：Is her last name White？Gina：No. Her last name is Smith.Lucy：Is Rose always(总是)in a yellow jacket？Gina：No. Rose is always in a red jacket.Lucy：What's her telephone number？Is it 389-61497.Gina：Oh, no. It's my phone number. Her telephone number is 389-1645.Lucy：Thanks. （1） Rose's(罗丝的)mother 我国原始社会的起止时间是 A.距今约170万年前至约公元前1600年 B.距今约200万年前至约公元前2070年C.距今约170万年前至约公元前2070年 D.距今约200万年前至约公元前1600年