Answer:
Step-by-step explanation:
It's not really asking us to do anything or act in any way, so it's not D.
There is no solution to the problems a greyhound may have, not without a lot of breeding so it's not A
The greyhound is not being compared to anything. It's not C
The answer must be B. There is some fact in this (good with children, likes people, affectionate). There is also some opinion (fragile injured from rough play).