People can help themselves and the environment by…

A. only watching TV at times when electricity is less expensive.

B. watching less TV and thinking about activities they do that use energy.

C. not using any products or services that run on electricity.

D. asking companies to provide them with more energy-efficient options.

D. asking companies to provide them with more energy-efficient options.

B. watching less TV and thinking about activities they do that use energy.