Tim, a 27-Year-Old Man, Has Unusually Narrow Shoulders, Low Muscle

Multiple Choice

Tim, a 27-year-old man, has unusually narrow shoulders, low muscle mass, and has no facial and body hair. His doctor recently prescribed testosterone replacement therapy to him. Tim is most likely suffering from:

A) phenylketonuria (PKU) .
B) cystic fibrosis.
C) Klinefelter syndrome.
D) Huntington's disease (HD) .