正解:B
Developing a targeted plan and coordinating a series of touchpoints is a way to ensure the largest return on investment for attending a conference by maximizing the opportunities to connect with potential prospects, customers, and partners. A targeted plan should include identifying the goals, audience, and message for the conference, as well as scheduling meetings, events, and follow-ups with key contacts. Reference: https://www.salesforce.com/resources/articles/sales-conference/#sales-conference-tips