Thanks for all the replies. I understand E is the right answer but why is D not the valid answer? is it because D tackles this 'fact'? - A recent government study links the high rates of respiratory ailments in Groverston to airborne pollutants released by the Woodco plywood manufacturing plant there.

[13th OG new CR] Respiratory Ailments

I'm not sure why D cannot be the answer... can anyone explain this? Which of the following most logically completes the passage? A recent government study links the high rates of respiratory ailments in Groverston to airborne pollutants released by the Woodco plywood manufacturing plant there. To ad...