After discussing how manners have evolved over time and their current relevance, which sentence would best conclude an essay on the dynamic nature of social rules?
A) So, manners change.
B) In conclusion, manners are important and everyone should follow them.
C) Ultimately, while specific social rules may transform with cultural shifts, the underlying principle of respectful interaction remains essential for societal cohesion.
D) This essay showed that manners are not always the same.