the sentence that contains the main idea is that "chocolate has been found to be a cause of weight gain."
the paragraph is pointing out the fact that it has been <em>found </em>to cause weight gain but the paragraph goes on to say that some of the researchers don't dive deep enough.
i hope that was helpful :D
I believe the answer is A. Both are complete sentences.
You get 5 pts or more for each question you answer.
What do you mean by lungen
