Answer:
The correct answer is letter "A": To offer advice based on expertise, even though they may not use the product.
Explanation:
There are six (6) buying roles in the buying center: the initiator, influencer, decider, buyer, user, and gatekeeper. The influencer is the participant whose point of view on determined goods or services could have an impact on others' final purchase decisions. Influencers have a biased opinion on products based on their experience interacting with them.