问题：
[答案]D preventing the ine gap from widening
答案：
[解析]该题考察作者的观点,根据题干中的关键词可定位到第六段第一句“Finally, because automation threatens to widen the gap between capital ine and labor ine, taxes and the safety net will have to be rethought〞。由该句可知,由于自动化加大了资本收入和劳动力收入的差距,所以应该重新考虑税收和平安网(保障措施),即税收政策应该防止收入差距扩大,选D选项preventing the ine gap from widening。