PLEASE HELP AND EXPLAIN WHY THIS IS MANDATORY Which sentence is the BEST example of academic discourse?

a. If the ERA wants to become part of the Constitution, it will have to get past the opposition this time.

b. A lot of states ratified the new amendment right away.

c. Only one more state was needed, and Virginia may become that final state since it is now controlled by Democrats.

d. Theoretically, Virginia's decision would allow the ERA to go forward.