Moral education refers to the way a school helps it's students learn virtues or moral habits that will make them better people outside of the four walls of their classroom. ...
Such is the importance of morals not just to make students better people,but to also improve the way a community interacts with each other.
A contraction is a word made by shortening and combining two words. Words like can't (can + not), don't (do + not), and I've (I + have) are all contractions. Therefore, your answer should be C.