If an Adult Has a "Negative Nitrogen Balance," Which Statements

If an adult has a "negative nitrogen balance," which statements are true?
I.Too much nitrogen is being used to build new protein.
II.Too little carbohydrate intake causes the body to metabolize muscle.
III.There is too much carbohydrate and not enough protein in the diet.
IV.The diet does not include enough of the essential amino acids.

A) I,II,and III only
B) II and III only
C) III and IV only
D) I,II,and IV only