From the Use of the Confusion Assessment Method (CAM)-ICU Assessment

From the use of the confusion assessment method (CAM) -ICU assessment tool,a patient is found to have hypoactive delirium.Which nursing intervention is indicated?

A) Use the prn order for morphine to control the patient's pain.
B) Use wrist restraints to maintain monitoring devices and lines.
C) Restrict visitors to times when the patient's mentation is clearest.
D) Reorient the patient to the environment as needed.