Question

What is the author's central idea in this text?

A) People can lose energy in practically every room of their houses. B) People can use different methods of saving energy in their homes. C) The pipes and wires of a house can cause heating energy to be lost. D) Saving energy may be a good idea, but it can cost you lots of money

Answer 1

C) The pipes and wires of a house can cause heating energy to be lost.

I did it and got it right