The sunlight is coming__the window.选择A.across B.across C.through

C
through可以表示从一个三维的立体空间里穿过，而别的介词不行

C
across 指“从……表面穿过”
through 指“从……内部穿过”

选C . through

C透过窗

The sunlight is coming__the window.选择 C.透过,从……中穿过（介词）
A.across跨过 （介词）B.cross 跨过（动词）C.through