A is incorrect. Eating nothing but fruits will not provide you with the right amount of carbohydrates and proteins everyday. C is incorrect. It is not enough that we eat one of each food group since we have target calories per food group. D is incorrect since calcium is not only what our body needs. B is correct, we have target number of calories each day in our diet.
The what now? I'd answer that if you told me what it was.
Option B would be your answer. The use of using steriods would then affect the form of the mens breast size. No facial hair will affect this, nor will a voice get deeper. It's only the breast that will be affected.
:Examine animals to diagnose their health problems
:Diagnose and treat animals for medical conditions
:Treat and dress wounds