Carla is writing a paragraph in her comparison-and-contrast essay to show how the care of cats and
dogs is different.
Which sentence addresses the purpose of the paragraph?
A. Cats and dogs generally get along well if introduced when they are young.
B. We get all of our pet supplies at Petkare.
C. Dogs and cats both need regular trips to the vet
D. Dogs much be walked or exercised daily, while cats do not need to be walked