The theme is the moral or the lesson of the story. After reading the story, which of the answers gives you a lesson that is universal (can apply to anyone) and fits with the story. For example, one could say that the moral of Finding Nemo is "always listen to your parents as they know best". No specific details like names or places are given in the theme.
I am not 100% sure(will edit if wrong), but I believe it would be C.) Decide on the kind of bakery you want to open.
I agree with the person above me! in other words, i think the answer is B: he is hiding out to escape from his former situation.
have a great day bye !! :)