Final answer:
Meetings where existing customers introduce new prospects to a salesperson are called Referral Meetings, which can effectively generate trustworthy leads. Hence, the correct answer is option (A).
Step-by-step explanation:
Meetings designed to make current customers introduce prospects to a salesperson are known as Referral Meetings. During such events, businesses often encourage their existing clients to bring potential new clients to meet the sales team. This is an effective strategy for generating leads, as prospects are introduced by trusted individuals, which can lead to a higher conversion rate thanks to the implied endorsement.