Which best corrects the run-on sentence? Auroras illuminate the northern horizon they have a greenish glow or sometimes a faint red one.
AAuroras illuminate. The northern horizon in a greenish glow and sometimes a faint red one.
BAuroras illuminate the northern horizon. With a greenish glow or sometimes a faint red one.
CAuroras illuminate the northern horizon. They have a greenish glow or sometimes a faint red one.
DAuroras illuminate the northern horizon, a greenish glow or sometimes a faint red one.
AAuroras illuminate. The northern horizon in a greenish glow and sometimes a faint red one.
BAuroras illuminate the northern horizon. With a greenish glow or sometimes a faint red one.
CAuroras illuminate the northern horizon. They have a greenish glow or sometimes a faint red one.
DAuroras illuminate the northern horizon, a greenish glow or sometimes a faint red one.