After hiking all morning, Rafael and his friends needed a rest, so they sat down on a large rock and ate their lunches.
How would this sentence be corrected?
A.) After hiking all morning, Rafael and his friends needed a rest so they sat down on a large rock and ate their lunches.
B.) After hiking all morning, Rafael and his friends needed a rest. So they sat down on a large rock and ate their lunches.
C.) The sentence is correct as is.