Question

--- Was it there ____you were away to answer the phone?
--- There is no doubt about it

1. A.
   that
2. B.
   which
3. C.
   while
4. D.
   where

Answer 1

C
考查时间状语从句。while引导时间状语从句，表示“在……时候/期间”。第一句句意为：当你走开去接电话时，它在那儿吗？