Copernicus and Galileo believed that the earth and other planets orbited around the sun, a radical theory at the time, since the Catholic Church taught that the earth was the center of the universe.
Answer:
supported a theory of the universe that contradicted the teachings of the Catholic Church.
I believe the correct answer from the choices listed above is option B. The correct sentence would be "If she doesn't graduate in December, she willgraduate in June." This is the only sentence where the comma is in the right place while the others are wrongly placed.