The Adolescence is a stage of life, in which the sexual organs grow and start producing gametes. At this time of life, the appearance of the secondary sexual characters takes place.
In girls, the adolescence starts with the menarche and the periods begins. The sweat glands develop and the body becomes more feminine, the development of breast and broadening of pelvis occurs.
The growth of brain does not occur rapidly at this time.
Hence, the correct answer is option d. rapid brain development