Which of the Following Examples Illustrates Selective Listening

Which of the following examples illustrates selective listening?

A) Jennifer, a team leader, asks a number of questions and listens to answers during face-to-face meetings with her subordinates.
B) Mark tries to sort out problems among his team mates by acting as a mediator and allowing them to talk to each other about their problems.
C) As the director of a company, Adolf is extremely busy and listens only to information on the company's position in the stock market.
D) Tony, a team manager, often casually stops by his team members' work stations and talks to them about their work and other issues and concerns.