A 10-year-old boy has been hospitalized for examination because of his short stature. He has grown only 3 cm in the past two years. What hormone is deficient in this case, causing this health condition in the boy?

• A. Thyrotropin
• B. Parathyroid hormone
• C. Somatotropin
• D. Gonadotropin
• E. Adrenocorticotropic hormone