4, Which of the following statements could be added to the passage to support the author's argument?

a)A cat will attack your hand if you pet its belly for more than 5 seconds.

b)A dog will wake you up in the morning so you don't have to set an alarm.

c)A dog will dig a hole in your yard to bury its toys so you can dig them up later.

d)A cat will sleep all day so it can hunt for you at night...