Final answer:
Donald exhibits characteristics of a type A personality, as he is constantly busy, works long hours, and prioritizes work over relaxation.
Step-by-step explanation:
Donald's behavior is characteristic of a type A personality. Type A individuals are intensely driven, constantly busy, and have a sense of urgency about time. They often prioritize work over relaxation and can be quick-tempered or hostile when interrupted. Donald's long work hours, constant need for his cell phone, and inability to relax or take breaks align with the characteristics of a type A personality.