The characters are talking animals. Any other option would be logical and easy to explain, but talking animals don’t exist unless you consider a parrot. Nonetheless, the other options are logical and realistic while the last option is not at all realistic. Most children’s books are not realistic.
I believe it’s answer choice A. Even though it does say that they are estimated to spend 155 billion dollars, they are asking questions related to spending money, such as where they shop and what books they like and so on.
D) Decius strongly believes that he can get Caesar to go to the Capitol.