the picture isnt loadingExplanation:
The sentence that contains a dangling modifier is C) Looking through the window, the room seemed very large.
It is dangling because we don't know who the participial phrase <em>looking through the window </em>refers to. It certainly doesn't refer to the room, the room wasn't looking through the window.
Answer:
He uses concrete images like "black gates and barbed wire that create strong emotion.