由于重工业能耗强度较大,因此发展中国家应( )Because a heavy industry usually consume more energy than other kinds of industry, thus developing countries should ( )
A、关闭重工业 Shut down heavy industry B、提升重工业能源效率 Strongly improve the energy efficiency of heavy industries C、减少重工业经济份额 Reduce the share of heavy industry in national economy D、以上都不对 No of the above