A. He can see the scars on her face of where the rats ravaged her skin.
Explanation:
In the book <em>1984</em>, Winston is aware that Julia knows of his betrayal. When he was being questioned, he was able to be unconvinced by arguments for a long time. However, he eventually reached a point where he could not resist the torture anymore, which led him to betray Julia despite his love for her. Julia is therefore punished using the rats. Winston is aware of this because he can see the scars in Julia's face.
