I looked down at the floor and saw a piece of paper. Someone________a note under

游客2025-07-17 19

问题 I looked down at the floor and saw a piece of paper. Someone________a note under the door.

选项 A、had pushed
B、is pushing
C、has been pushing
D、pushed

答案 A

解析句意：我低头看见地板上有一张纸，是有人之前塞在门下面的一张便条。本题考查的是时态。push这个动作发生在过去的过去。符合过去完成时的语法特征，故A正确。

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Ilookeddownatthefloorandsawapieceofpaper.Someone________anoteunder