Answer: A. Russell's sister takes after their mother, but he does not.
In the story, there is no implication of Russell not being obedient. He is so obedient he performs the job he hates everyday because his mother tells him to do so. There is also no sign of Russell's sister wanting to become a writer.
The author mentions that he has learned all of his mother's maxims as well, so that is not a difference between them. The difference is that his sister feels compelled to say them, and means them, because they align with what she thinks. This is because the sister is more similar to their mother than Russell.
The answer is B because convalesce means "to recover health and strength after illness" This is the only reasonable answer.
The list you look for is a). The verb 'to go' is an irregular verb because it completely changes its form in the past: went - gone.
C. Point of view because it is who tells the story and how is it told
