Which passage from the article best supports the idea that the reforestation proposal between Dow and the Nature Conservancy will not be completed at the end of the organizations' six-year collaboration? A."The conclusion that we reached was that what [reforestation] was difficult and that the degree of uncertainty was larger than the benefits," said Mark Estes, a senior air quality scientist with the Texas Commission on Environmental Quality. B.Even if it wins broad support, the plan won't be approved quickly. In Texas, it can take up to four years to change clean-air rules. And that's before any proposal goes to the EPA. C."The big discovery was that you could combine the traditional infrastructure with reforestation and still meet [EPA requirements]," said Laura Huffman, director of the Nature Conservancy in Texas. D.…A 10,000-acre (4,047-hectare) forest does the job of one average industrial scrubber, Kroeger explained.

B."Even if it wins broad support, the plan won't be approved quickly. In Texas, it can take up to four years to change clean-air rules. And that's before any proposal goes to the EPA."