Which sentence contains a prepositional phrase? (5 points)
a. cat owners have no idea how needy a big, brutish dog can be when left alone.
b. after the dog has found her favorite toy and settled into her bed, i can go to work.
c. if you would like to own a parrot, just remember they live longer than humans do
d. my dog snores relentlessly so neither she nor i get very much sleep.