Food: Where Does It Come From?

Given below are names of some animals:
(i) Goat (ii) Human beings
(iii) Cockroach (iv) Eagle
Which of the above animals form a pair of omnivores?
(a) (i) and (ii) (b) (ii) and (iii)
(c) (iii) and (iv) (d) (ii) and (iv)