The author's statement about the importance of markets, and fairs is ______.A.a conclusion
The author's statement about the importance of markets, and fairs is ______.
A.a conclusion he draws on the basis of his main thought
B.an interesting fact he includes although it does not bear strictly on the subject matter of the passage
C.apparently contradicted by the main thought
D.a historical development which took place after the time in which the main events of the passage occurred