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).
Answer:
my mom needs to go to the grocery store because my aunt and uncle are visiting us this weekend.
Answer:
It's B
Explanation:
Just took the test, good luck guys!
Answer:
Identifying the presence of a rhetorical device in a text
Explanation:
If you can't identify a rhetorical device then how are you supposed to be able to discuss it's purpose and effect on the text?