Sappho was a Greek poetess who lived in the seventh century BC, and Zenobia was a Syrian queen who lived in the fourth century AD. Both are well-known figures in classical literature. Given the context of the passage, what does the author likely wish to imply through his reference to Sappho and Zenobia?

Carol was not faithful to Stewart Snyder.

Carol was a fickle woman with shifting ambitions.

Carol had ambitions beyond domestic happiness.

Carol felt humiliated by Stewart Snyder's attitude.