A 14-Year-Old Boy and His Parents Are Concerned About Bilateral

A 14-year-old boy and his parents are concerned about bilateral breast enlargement. The nurse's discussion of this should be based on which statement?

A) This is usually benign and temporary.
B) This is usually caused by Klinefelter syndrome.
C) Administration of estrogen effectively reduces gynecomastia.
D) Administration of testosterone effectively reduces gynecomastia.