Rainbow factory

How do you have to set up the light source and the waterdrops to make a rainbow visible?
Think about the answer before conducting the experiment.

Which layout makes a rainbow visible? a) You will have to look at the raindrops from the direction of the sun.

b) You will have to spray the water in such a way so that you look at the light source through the water.

c) You will have to look at the raindrops from the side.
Position a Position b Position c