Which If the Following Is an Example of Instrumental Support

Which if the following is an example of instrumental support?

A) Talisa complains about her boss to a co-worker in the break room.
B) Horatio's husband listens to him complain about his workday over dinner.
C) Odell invites each of his team members to open up to him about their grievances.
D) Jenny offers to answer phones to give the receptionist a chance to get caught up on his filing.
E) Uriel stops at the gym at the end of his shift to work out his frustrations by sparring with a boxing partner.