The addition of which of the following sentences would create an effective paragraph?

Dogs and cats are both fantastic pets. Dogs are loving and playful. Cats are clean and self-sufficient. Dogs

are sometimes hyper. _______. Both are effective communicators in their own right. Either one would

make any lucky owner happy.

AOwners must teach pets how to act.
BCats are normally calm and resigned.
CReptiles are good pets as well.
DBoth animals are fun.