A Nurse Working with a Person Whose Spouse Recently Died

A nurse working with a person whose spouse recently died uses cheer and humor to lift the person's spirits.At one point,the widowed person smiles.What analysis of this scenario is correct?

A) The nurse's technique was successful.
B) Use of humor should be added to the plan of care.
C) Approach may prove useful in other,similar situations.
D) The nurse needs supervision;the communication technique was not appropriate.