Their belief is that this is the only way for many of these nations______their painful pasts.

A．escaping

B．to escape

C．escaped

D．escape

更换整流机组×#油风冷却器风机轴承，需将风机运行/停止/备用转换开关打至（），拉开（）和（）电源开关，取下（）保险。