When Communicating with Team Members of Virtual And/or Project Teams

When communicating with team members of virtual and/or project teams, leader-managers should:

A) only directly contact team members when there is a problem.
B) only directly contact team members when there is something positive to communicate.
C) avoid only directly contacting team members when there is a problem.
D) only ever contact team members individually, and never as a group.
E) only ever contact team members as a group, but never individually.