Think about what a claim is. a claim is something that you state, even if you don't have proof. choice C is a fact, not a claim--it would be used as evidence to support a claim, but it doesn't serve as a claim itself.
i would say that B is the most appropriate claim to argue that people should be more nutritionally knowledgeable. choice D is almost a counterargument, in a sense, because it lists a flaw with food labels. choice A is a statement, but it can be proven with evidence--one could look at a food label to search for the listed items.
Explanation:
If you like to listen to music while writing, choose music without words or ambient noise, for example, the sound of water. Almost every study that I looked at found that music with lyrics hindered concentration and productivity. However, one study showed that low-level ambient noise can improve creativity.
I’m not sure the context to this question, but not everyone had synesthesia so my guess is the answer is C, understand synesthesia.
