Why Doesn't Denaturation Affect the Primary Structure of a Protein

Multiple Choice

Why doesn't denaturation affect the primary structure of a protein?

A) Actually, denaturation does hydrolyze amino acids.
B) because peptide bonds are higher energy bonds than other interactions
C) because peptide bonds are stronger than other interactions
D) because peptide bonds are weaker than other interactions
E) because peptide bonds cannot be broken under any circumstances