Ralph's Cat Is Very Friendly Except When a Stranger Touches

Ralph's cat is very friendly except when a stranger touches its tail.One day a stranger tries to pet the cat but is badly scratched when the petting includes the cat's tail.

A) Ralph is strictly liable for the injury caused by the cat if Ralph was negligent in preventing the injury.
B) Ralph is strictly liable for the injury caused by the cat because the cat's tendency to injure people takes it out of the category of domestic animals.
C) Ralph is strictly liable for the injury caused by the cat if Ralph knew that the cat had caused similar injuries in the past.
D) Ralph is strictly liable for the injury caused by the cat if the cat did not have a dangerous propensity.