From “The First Seven Years” by Bernard Malamud Feld had a sudden insight. In some devious way, with his books and commentary, Sobel had given Miriam to understand that he loved her. The shoemaker felt a terrible anger at him for his deceit.
Why is this excerpt an example of an epiphany?

It is a moment of realization.
It describes a main character.
It occurs at the climax of the plot.
It resolves the central conflict.