Which of the following most logically complete the passage?

　　A recent government study links the high rates of respiratory ailment in Groverston to airborne pollutants released by the Woodco plywood manufacturing plant there. To address the problem, the government imposed strict regulations on emissions which will go into effect in four years. Although Woodco plans to cut its emissions in half two years ahead of schedule, it is unlikely that the rate of respiratory ailments will decline before the regulations go into effect, since .

　　(A) the number of facilities capable of treating respiratory ailments is not likely to increase

　　(B) reducing emissions even further than planned would necessitate decreasing production at Woodco

　　(C) it is difficult to make accurate, long-term predictions about emissions

　　(D) not all respiratory ailments are caused by airborne pollutants

　　(E) three new plywood manufacturing plants are about to go into production in Groverston

　　翻译：

　　下列哪项最符合逻辑的将文章补充完整?

　　最近的一项政府研究将呼吸道疾病在Groverston的高发病率和Woodco胶合板生产厂排放的空气污染物联系起来。为了解决这个问题，政府实施了严格的将在四年内生效的关于排放的规定。虽然Woodco计划提前两年将其排放量削减一半，呼吸系统疾病的发病率还是不太可能在法规生效之前下降，因为。

　　(A) 能治疗呼吸系统疾病的机构数量是不太可能增加

　　(B) 比计划之中更进一步减少排放量将必需减少Woodco的生产量

　　(C) 做出准确的，长期的排放量预测是很难的

　　(D) 并不是所有的呼吸系统疾病是由空气中的污染物造成的

　　(E) 三个新的胶合板生产厂即将在Groverston投产