This is a hard one and I can see why you decided to post it here. B is most definitely wrong but the other three are all neck and neck. There are both even pros and cons of A and C but I think it would be more reasonable to adopt a general routine. So I think the answer would be C.
False, a teacher always gives clue of the main idea
Answer:
C)The aunt expects the boy to accept her explanations, but he does not.
E)The aunt expects the boy to be interested in the cows, but he is not.
Hope this helps!
Feel free to ask if you have anymore questions!