2015年10月29日党的十八届五中全会允许实行普遍二孩政策。实施全

 20151029日党的十八届五中全会允许实行普遍二孩政策。实施全面二孩政策,对月嫂的消费需求产生了一定刺激。有些地区月嫂薪水飙升,进一步催热了眼下的月嫂服务行业。不考虑其他因素,能正确反映这种变动传导效应的是(注:0 S为变动前,DlSl为变动后)

A.②一④    B.①一④  C.②一③    D.①一③

答案

D

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