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

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

Explanation:

Academic discourse uses precise, sometimes advanced vocabulary and more complex sentence structures than other styles of text.

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