Which option correctly edits the mistake in the following sentence?
Sarah rode her horse through the mountain pass, she reached the settlement by nightfall.
Sarah rode her horse through the mountain pass: she reached the settlement by nightfall.
Sarah rode her horse through the mountain pass. Reached the settlement by nightfall
Sarah rode her horse through the mountain pass, and she reached the settlement by nightfall.
Sarah rode her horse through the mountain pass she reached the settlement by nightfall.