can you see him in the room ( ) the window?填一个介词

can you see him in the room ( ) the window?
填一个介词

by ,from ,through,
三个意思不同:在你房间的窗户旁能看到他吗?
从房间的窗户看过去你能看到他吗?
透过窗户你能看到他吗?

through

through`

from