Switching from Incandescent Bulbs to Compact Fluorescents (CFL)provides a Twofold

Switching from incandescent bulbs to compact fluorescents (CFL) provides a twofold benefit during the summer.Why?

A) CFL bulbs use less energy.
B) Incandescent bulbs produce excess heat.
C) CFL bulbs produce excess heat.
D) Both CFL bulbs use less energy and incandescent bulbs product excess heat.
E) Both incandescent bulbs and CFL bulbs produce excess heat.