Mike Morrell Is a Production Supervisor in Porco Rosso, an Aircraft

Mike Morrell is a production supervisor in Porco Rosso, an aircraft manufacturing firm. After evaluating Mike's managerial capabilities, some members of the senior management feel that average productivity would improve if more workers were assigned to him. However, some managers are skeptical about Mike's ability to handle more workers.
-A narrow span of control ________.

A) encourages employee autonomy
B) is expensive because it adds levels of management
C) simplifies vertical communication
D) increases the speed of decision making
E) discourages overly tight supervision