What can readers infer about Atticus when Scout explains, “This was not my father. My father never thought these thoughts. My father never spoke so” after he yells at them for being noisy?

A. The stress of the trial and Alexandra’s visit is also affecting Atticus.

B. Atticus is starting to become more like Aunt Alexandra after she moves in.

C. Because the children are growing older, Atticus has had to become stricter, and the change has startled Scout.

D. Atticus is frustrated and resentful because he was required to defend Tom.