I need to read the passage for me to be able to help you
Answer:
The correct answer is D) Since fossil fuels are dirty and pollute the air and water, other technologies that pollute less and produce energy have been developed like solar energy and green buildings.
Explanation:
It summarizes the main points of Paragraph 3 so that is why D is the correct answer. Hope this helps:)
The answer is b. regardless.
Im pretty sure that the answer is A