Which sentence from "Future Potential Source #2: Wind" expresses the author's main idea?

Question

Question 8 options:

A)

Unlike electricity from traditional power plants, wind-generated power produces no harmful atmospheric emissions.

B)

Early windmills harnessed wind energy as a source of mechanical power for pumping water or grinding wheat.

C)

Wind energy will be able to build on its strong foundation to establish a lasting and dominating presence in the new energy market.

D)

Wind turbines also have the added environmental advantage of leaving a small physical footprint.

Answer 1

The sentence that expresses the author's main idea is:

C) Wind energy will be able to build on its strong foundation to establish a lasting and dominating presence in the new energy market.