Faith Supervises a Group of Customer Service Representatives

Faith supervises a group of customer service representatives. Often, these employees seek out Gage, a long-term and knowledgeable customer service rep, for advice or information about their work. In this example, which one of the following choices best describes the person(s) responsible for setting the "tone at the top?"

A) Faith alone is responsible because she is the formal supervisor.
B) All customer service employees are responsible.
C) Gage alone is responsible because the group seeks his wisdom.
D) Both Faith and Gage are responsible because they are the informal and informal leaders of the group.