I think Its B just for sum point thought just ignore this
Cats are smaller and can hide in small places, they sleep more and eat less.
Dogs are bigger depending on the breed. They bark instead of meowing and they eat more and sleep less
B.
Not A. because it isn't only for solving simple problems.
Not C. because it CAN work well with personal or school problems.
Not D. because you can't solve a problem before their is a problem.
I hope this helped.
By Guy Maupassant where the ending tells about what is love. I think what he really mean in that part of story is that he couldn't believe nor image the possibility that he would experience such greatness of love and he is like in heaven when he experienced it
if this helps leave a thanks