A 14-year-old girl is brought in to see her pediatrician because her parents are concerned that her growth is stunted. Her parents state that she grew quite rapidly as a child but has remained at the...

A 14-year-old girl is brought in to see her pediatrician because her parents are concerned that her growth is stunted. Her parents state that she grew quite rapidly as a child but has remained at the same height of 4 feet 8 inches for the past 3 years. Her mother and father are 5 feet 9 inches and 6 feet 4 inches, respectively. In addition, the girl has not reached menarche yet. On physical exam, the girl is mildly obese with a husky voice and some evidence of increased facial hair.Which of the following is mostly likely to be elevated in this patient?

A. 21-hydroxylase

B. 11-hydroxylase

C. DHEA

D. Cortisol

E. Aldosterone