Answer:
thank you I also hope you have a good day :)
The comma in the sentence above is used incorrectly because it <span>attempts to separate a compound predicate. The comma is incorrectly used to split a compound predicate which shares the same subject. The predicate must need equal access to the subject that's why no comma is needed.</span>
Answer: Has the university awarded you?
I believe that the answer is C. This is most likely the best option because it also adds a subject. B does add a better description but putting "While I" in answer C shows who is listening to the sentence
It was used as a secret code among the slaves.