Question

—Icalledyoujustnow,butnobodyanswered.Where_____? —Inthelibrary。

A. have you gone B. did you go C.are you D. were you
答案是B 为什么不选D？

Answer 1

选B是指“我”给你打电话时你去哪了。不能选D是因为此疑问句没有具体的时间状语，若选D，全句应为“”i called you just now,but nobody answered,where (were you){when I was calling you}?