If you were writing an essay on the positive health benefits of owning a pet, which detail sentence below would most logically fit into your essay?
A) A frisky dog or cat can make lots of noises in the night, waking you up and ruining your sleep.
B) When families go on vacations, one perennial problem is "who is going to feed the dog (or cat)?"
C) By walking a dog every day, a person's overall cardiovascular health will undoubtedly improve.
D) More expensive than simply feeding a dog or cat is taking the dog or cat to the veterinarian for regular check-ups.