Which of the following is written correctly?

A.In June 1776, Thomas Jefferson wrote the first draft of the Declaration of Independence, and it was formally adopted by Congress on July 4 of that year.

B.In June 1776, Thomas Jefferson wrote the first draft of the Declaration of Independence, it was formally adopted by Congress on July 4 of that year.

C.In June 1776, Thomas Jefferson wrote the first draft of the Declaration of Independence that was formally adopted by Congress on July 4 of that year.

D.In June 1776, Thomas Jefferson wrote the first draft of the Declaration of Independ