Trung has been an employee with PureEnergy Inc. for 15 years. He started with an entry-level job, and today he is a manager of an entire division. Over the years, Trung has acquired a reputation for doing the right things in the company. Hence, as an efficient leader, he is capable of effectively communicating and motivating his subordinates to work toward the company's vision and mission. According to the Level-5 leadership pyramid, which is the highest level of leadership Trung has reached so far?
A. Level 5
B. Level 4
C. Level 3
D. Level 2