Temperatures Increase in the Stratosphere Because

Temperatures increase in the stratosphere because

A) of the normal lapse rate effect.
B) ozone blocks sunlight from entering this layer.
C) ozone absorbs ultraviolet radiation from the Sun and then reradiates it at infrared wavelengths.
D) ozone acts as a greenhouse gas which traps ultraviolet energy radiated by Earth's surface.
E) latent heat transfer is happening at all times.