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问答题

Black asked me, "Why haven't you left here yet?”Black asked me why _____________ yet.
A、I hadn't left there
B、I haven't left here
C、hadn't I left there
D、haven't I left here

单项选择题

中国的封建社会前后延续了（   ）。 A.
一千多年 B.
二千多年 C.
三千多年 D.
四千多年