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.
a. owners must teach pets how to act.
b. cats are normally calm and resigned.
c. reptiles are good pets as well.
d. both animals are fun.