题目内容：

he looked in____the window.He found the fox lying in bed and his eyes were closed.
A.at B.with C.across D.through要原因.

优质解答

D.through
looked in through the window 穿过窗户,往里看.
across和through都有“穿过”的意思.
但across的“穿过”与on有关；through的“穿过”与in有关.