Middle Managers Need Information to _______________,While Knowledge Workers Need Information

Middle managers need information to _______________,while knowledge workers need information to ____________.

A) set intermediate goals for projects under their supervision; conduct technical projects
B) oversee day-to-day details of projects; set intermediate goals for projects under their supervision
C) conduct technical projects; to carry out long-range planning
D) carry out long-range planning; conduct technical projects
E) none of these