Which of the Following Best Describes Opinion Leaders

Which of the following best describes opinion leaders?

A) Opinion leaders are technically competent so they possess expert power.
B) Opinion leaders prescreen,evaluate,and synthesize product information in an unbiased way,so they possess knowledge power.
C) Opinion leaders are socially active and highly interconnected in their communities.
D) Opinion leaders are likely to hold positions of leadership.
E) All of the above.