Including a variety of whole grains, lean proteins, and vegetables in meals is an appropriate dietary recommendation for a client with diabetes. Carbohydrates should not be completely avoided (choice a), and sugary snacks should be limited (choice b). Adequate fluid intake is important, and there is no need to restrict fluids (choice d).

Incorrect choices:

a. This choice is incorrect. Carbohydrates are an important source of energy and should not be completely avoided. The focus should be on managing portion sizes and making healthy carbohydrate choices.

b. This choice is incorrect. Consuming high amounts of sugary snacks can lead to blood sugar spikes and is not recommended for individuals with diabetes.

d. This choice is incorrect. Adequate fluid intake is important for overall health and is not typically restricted in diabetes management.