I would say that the answers are C and A.
"Primarily" indicates what the main purpose of the sheet is (which helps maintain high grades) and "Furthermore" adds to the original thought.
Answer: The Puritans felt as if God himself told them to establish a successful and just society. They had a belief that God would want them to live with the scriptures in mind, therefore setting an example for those living in sin.
Sory, could you elaborate please?