What is at the core of the debate on energy in the U.S., according to the passage?
选项:
A: The energy future doesn't belong to fossil fuels at all.
B: Natural gas has always been an explosive commodity.
C:Natural gas cannot become a driving force for America's economy.
D: The drilling technique that extracts natural gas from shale rock is controversial
发布时间:2024-04-09 13:30:55