Answer:
Explanation:The words establish the author of the article as an expert on cookstoves.
The words imply that cookstoves are something negative.
The words show that people in developing countries dislike cookstoves.
The words hint that cookstoves are not as bad as many people believe they are.
Answer: Explain Yourself!
Stick with your gut felling . But According to my knowledge I would say that the answer would be ( D the gerund ) I hoped that this helped. Enjoy :) <span />