Answer:
8 days a week because i will get to sleep
Explanation:
NO maturity does not depend on age people that are like 20 can act childish and 12-15 can act just like adults
D) is definitely an academic skills.
A) - I would say as well, especially academic writing.
About B and C- I would say it depends - reading what? novels? organizing what? your paper? out of the two I would say that C) organizing is the better choice but it is also useful in science.