This condensation action is similar to which of the following?

Hot vapor from a cup of coffee forms droplets of liquid when the vapor passes over a cool spoon.

This condensation action is similar to which of the following?
A . raindrops falling from the sky
B . hail forming within a storm cloud
C . a bathroom mirror fogging up
D . steam rising from boiling water
E . cold spray coming from a showerhead

Answer: C