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
<span>computerized pre-employment test</span>
mark or character used as a conventional representation of an object, function, or process, e.g. the letter or letters standing for a chemical element or a character in musical notation.
The answer is A
Answer:
All is about paragraph
You have to read the paragraph
Ok