Answer:
Option C, Buddhist missionaries spread the new faith, first to Sri Lanka, is the right answer.
Step-by-step explanation:
Siddhartha Gautama founded faith in or around the Sixth Century in the Indian Subcontinent, which came to be known as Buddhism. This faith remained one of the most prominent faiths in East and Southeast Asia. The Four Noble Truths are the most important teaching of Buddha. He has also mentioned an Eight-fold-path for attaining salvation from this world. Following his death, Buddhist missionaries began spreading a new faith, first in Sri Lanka.