Catherine Heads a Sales Team, and Most of Her Subordinates

Catherine heads a sales team, and most of her subordinates have performed well. However, one of the team members, Dave, has been performing poorly. Catherine has created a file that records Dave's performance issues and contains a few emails from colleagues criticizing him. While delivering the negative feedback to Dave, Catherine should

A) focus on the poor attitude that Dave's posture and expression reveals.
B) keep the negative emails from other colleagues private.
C) ask Dave why he cannot be more like the other team members.
D) give Dave the goal of doing better within a short time.
E) focus on pointing out mistakes rather than problem solving.