【2016模拟题】阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项。
According to the US government, wind farms off the Pacific coast could produce 900 gigawatts of electricity every year. Unfortunately, the water there is far too deep for even the tallest windmills to touch bottom. An experiment under way off the coast of Norway, however, could help put them anywhere.
