It's either internal or psychological
The answer is D: The search for self.
Although this is not an exclusively literary modernist theme, it sure was one of the main themes that Virginia Woolf, one of the most notable modernist writers, developed. Throughout this novel, and specifically in the excerpt cited, Mrs. Dalloway, as well as many other female and male characters, continually expose their train of thoughts (“stream of consciousness” as it usually is called in literary studies) as the struggle to identify their personal subjectivity, showing a constant struggle and an intermittent quest for one´s own self.
The child is not kind. I wouldn't choose A. By that I mean that the child is not kind by nature.
He did not receive the dog as a gift from his father. That eliminates E.
The subject therefore is the dog was taken into a very abusive home.
The theme is the 4th one down. Those who are abused will abuse something or someone weaker than themselves. No where do we get the idea that the child is empathetic. The dog amuses him, nothing more.
