I believe that the best answer for this question is "are." You are referring to two parties here, both the lion tamer and the clowns. This would mean that your applicable verbs must also be plural. Since "are" is the plural version of "is," it is the most suitable word to use in this situation. Hope this helps.
Answer:
C
Explination: The theme is the lesson that the author is trying to teach the reader.
The second one I'm pretty sure
This is an incomplete question. Sorry!
