If a Person's Urine Contains Unusually High Concentrations of Urea,which

If a person's urine contains unusually high concentrations of urea,which one of the following diets has he or she probably been eating recently?

A) High carbohydrate,very low protein
B) Very high carbohydrate,no protein,no fat
C) Very very high fat,high carbohydrate,no protein
D) Very high fat,very low protein
E) Very low carbohydrate,very high protein