The correct option is D All of the above
Puberty refers to the changes that occur in a boy or a girl’s body to become sexually mature.
Puberty generally occurs at the age of 10 to 14 years in males.
During puberty, the amount of testosterone in the body increases. There will be development of secondary sexual characters like deeper voice (enlargement of larynx), development of muscles, acne, growth of pubic, armpit and facial hair, etc.