Answer:
B. market maven
Explanation:
A market maven is a market participant that possess a lot of information about the market.
As a result, their opinions are trusted concerning market events.
Rayna is a market maven.
A market leader is a company or product that has the biggest market share in its industry.
An Opinion leader is an influential member of a community that gives opinions or advise to others.
An influencer is a person with the power to affect the purchasing decisions of others.