In paragraph 1, the author writes, "wind turbine use has increased at more than 25 percent a year." Which main idea does this detall support?
A. Ancient mariners used sails to capture the wind and explore the world."
B. Farmers once used windmills to grind their grains and pump water."
C. "Today, more and more people are using wind turbines to wring electricity from the breeze."
D. "Still, it only provides a small fraction of the world's energy."