Which of the Following Networks Best Exemplifies an Advice Network

 Which of the following networks best exemplifies an advice network?

A) In a restaurant, George welcomes the customers, Jake's team takes the orders, and finally Jim's team serves the customers and conducts financial transactions.
B) Pinky couldn't work on her project due to some personal issues. She discussed her issues with Paul, her teammate, and he helped her finish the task on time.
C) John, who belongs to the marketing department in an organization, often interacts with employees in other departments whenever he finds time to socialize.
D) When it comes to solving technical issues, the employees in an organization often get suggestions from Victor, who has more technical expertise.