Does it give any answer choices? If so please post them I think I can help.
The subject in the sentence would be ''<u>it''.</u>
Make sure to get background information.
I would say the correct answer is C. "Many people," Lara mused, "never get to ride a horse."
Answer: B. Connection to nature can influence cultures.
Explanation: A theme is something that gives a lesson, and doesn’t talk about someone or something in specifics. It’s more of a general idea!