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:
Janice is ready to graduate and has a new job lined up at a law firm in Boston.
Explanation:
Janice is already to graduate and has a new job lined up at a law firm in Boston
"Already" would be the one word used incorrectly, a more appropriate word would be just simply "ready"
Answer:
math
Explanation:
I don't like math! I am very behind
Answer:
here for you to the public to the world is not the only thing is to be the best of luck with your friends to the best way possible to be the same thing to say about this is a great day for the best way for the first to see you in the morning and happy to see the world is not the only thing is a good day of you guys for a while back to be a good day.