电空转辙机的所谓“软锁闭”，就是依靠（ ）使道岔保持在规定位置的锁闭。

A、发达国家应努力消耗自然资源，促进经济快速增长 The developed countries should strive to consume natural resources and promote rapid economic growth
B、发展中国家应努力 “穿越”环境高山，走新型工业化道路 The developing countries should go through the environmental mountains and take the new way of industrialization
C、发展中国家应努力消耗自然资源，促进经济快速增长 The developing countries should strive to consume natural resources and promote rapid economic growth
D、发达国家应努力 “穿越”环境高山，走新型工业化道路 The developed countries should go through the environmental mountains and take the new way of industrialization

A. AT and ISA styles               B. ATX and ISA styles
C. AT and EISA styles              D. AT and ATX styles