Which sentence best emphasizes the subject doing the action of the sentence?
A) The rules about where you can eat lunch at school were changed last week by the new principal.
B) The dog was nearly hit by the ice cream truck that was rushing down the street.
C) The brakes on Papa's truck squeaked loudly as he attempted to back down our crooked driveway.
D) My iPad was broken when it fell down the stairs and rolled across the floor.