The correct answer is B. Adolescence.
Adolescence is the transitional stage between childhood and adulthood, during which a person develops physically, sexually, cognitively, and emotionally. It is a time of rapid change and growth, and can be a challenging period for both adolescents and their parents.
Puberty is the physical process of sexual maturation that occurs during adolescence. It is characterized by the development of secondary sex characteristics, such as breasts in girls and facial hair in boys. Puberty also involves a surge in hormones that can lead to mood swings, acne, and other physical changes.
Infancy is the period of development from birth to 18 months. During this time, infants learn to walk, talk, and interact with their environment. They also develop a sense of self and attachment to their caregivers.
Maturity is the stage of life after adolescence, when a person has reached full physical and mental development. It is a time of independence and self-sufficiency, and is often characterized by career and family formation.
In conclusion, the correct answer to the question “Stage between boyhood and youth” is B. Adolescence.