When you put the quotation marks you then write said (name of whoever that is talking) e.g
''I took timmy for a walk''said lisa
Answer:
C. Helping to improve someone else's writing making you a better writer too.
Explanation:
It isn't A. because that supports an opinion, not a fact.
It isn't B. because it does not elaborate on how the classes are helpful and educational.
It isn't D. because, like above, it is not specific enough.
Hope this helps! <3