Concept:"The Light of Asia" is an epic poem written by Edwin Arnold that narrates the life and teachings of Lord Buddha.Explanation:The poem is structured into a specific number of sections called cantos.It is divided into exactly eight cantos.The eighth canto contains the final message and teachings of Lord Buddha.Each canto presents a different phase of Buddha's life, from his princely birth to his enlightenment and passing.This division helps readers follow the story in a clear, organized manner.Answer:Eight (Option D).