Which one of the following set of structures includes only analogus organs?

Question

$\begin{array}{1 1} (a)\;\text{Wings of butterfly, house fly and bat} \\ (b)\;\text{Hind legs of horse} \\ (c)\;\text{Hands of man, monkey and kangaroo.} \\ (d)\;\text{Mandibles of cockroach,mosquito and honey bee.}\end{array}$