Logical appeals,i believe this would be your best choice
When you enumerate you need to put comas between all the items except the ones which are connected by "and" : as A is not correct as it does not have comas, and B is incorrect as it has comas where "and" is.
now, in a way both C and D are correct, but C is the usual accepted version, and D is an example of "Oxford coma" (where the coma is optional, to remain on the safe side, choose C).
To give off the right vibe and tell the story from their pov
Answer:
maybe anguish/depressed/dejected?
