Which message does the repetition make clear? Choose the best answer.
(A)Rain can only come with lightning and thunder.
(B)Rain is in the center of all natural things: the lightning, the swallows, and even the pollen.
(C) As far as man can see, there is nature: lightning, swallows, pollen, and rain.
(D)Some rain may come when lightning flashes, swallows chirp happily, and pollen is hidden.