Mr. W is with bipolar disorder, manic phase, with a nursing diagnosis of Imbalanced nutrition: less than body requirements. In order to help the client meet recommended daily allowances of nutrients, which of the following nursing interventions should be included in the plan of care

A. Tell the client to sit alone at mealtime so that he won’t be distracted by others.
B. Teach the client about proper nutrition.
C. Give the client half of a meat and cheese sandwich between meals.
D. Inform the client that snacks are available only if he eats properly at mealtime.