Correct answer is D. shouted. To clamour means to express something loudly, and is usually associated with a loud outcry. The writer mentions word yells (to yell) in this sentence, which is also a synonym for shouting.
All I know is the direct answer and it would be it is different because one is your thought and one if like a document
C is the correct answer..
Both usually passed on by word of mouth,carrying the values of their culture with them.