According to the text, what are domestic animals?

I. Domestic animals are those that live with humans and are domesticated.
II. The first domestic animal was the cat.
III. Only small animals can be considered domestic animals.
IV. Farm animals belong to the group of domestic animals.
a) I and IV are correct.
b) II and III are correct.
c) I, III, and IV are correct.
d) Only I is correct.