I believe the answer is A. Journalists.
Well you can do B and don't give any citation because there is no author but you can do a as well. But it is best to do C since no author is listed and they could be plagarizing someone else's work
Vivid nouns put a picture in your head, and non-vivid nouns don't put pictures in your head.
The potato chips will crumble and will break into pieces. I hope this was the answer you were looking for. ;)
May I ask what book and what are the answer choices?