Answer:
gonna need a bit more context
Answer:
hey bro how's your day going?
Answer:
I think the answer is is
Explanation:
becuase when you use it in a sentence like Dal Bhat is popular in our country.
hope that helps
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).