In the mediastinum:

• A. the pulmonary trunk divides anterior to the left main bronchus
• B. the pulmonary trunk divides anterior to the carina
• C. the left and right lung inferior lobes each have four segments
• D. the upper lobe of the right lung reaches the 5th costochondral junction anteriorly in the rest position
• E. the left lung inferior lobe has five segments and the right has four