某拟建项目排放SO2700t/a，NO21O00t/a，烟粉尘200t/a，挥发性有机物(VOCs)30t/a，该项目所在城市2016比年环境空气质量如下表所示。为满足顶目的环境可行性，区域削减量最少的方案是()?
A.SO2不削减，NO2削减200t/a,烟粉尘不削减，VOCs不削减 B.SO2削减7OOt/a，NO2削减1000t/a，烟粉尘削减200t/a，VOCs削减30t/a C.SO2削减7OOt/a，NO2削减2000t/a，烟粉尘削减200t/a，VOCs削减30t/a D.SO2削减14OOt/a，NO2削减2000t/a，烟粉尘削减400t/a，VOCs削减60t/a正确答案A
