Frank Is a Manager in His Organization and He Wants

Frank is a manager in his organization and he wants his team to take charge of actions, duties, and work to be completed. Frank would like to delegate more duties to this team to show that he trusts them in their work. If Frank does this what must he also do for the team?

A) Review their work to see their performance
B) Add safeguards to the decisions to review their choices before they're enforced
C) Allow the team to act without waiting for his approval
D) Review their decisions to see their effectiveness