Every year, more people are looking to get energy from the wind. Wind is a clean, renewable source of energy. Renewable sources of energy come from natural resources that will not run out, such as sunlight, wind, and water. Renewable energy is also called “clean energy” because it does not dirty, or pollute, the air or water.

What is the MOST LIKELY purpose of the first sentence of this article?

A) to introduce one person interested in wind energy

B) to explain many forms of energy and their benefits

C) to detail ways in which people get power from wind

D) to show that wind can be used as a source of energy