<prompt> Please answer with one of the option in the bracket. Write reasoning in between . Write answer in between .Q:A 7-year-old girl is brought to the physician because of scant painless bleeding from the vagina 6 hours ago. She has no history of serious illness or trauma. Her older sister had her first period at age 11. The patient is at the 80th percentile for height and 95th percentile for weight and BMI. Examination shows greasy facial skin and sparse axillary hair. Breast development is at Tanner stage 3 and pubic hair development is at Tanner stage 2. The external genitalia appear normal. Serum glucose is 189 mgdL. Intravenous administration of leuprolide causes an increase in serum luteinizing hormone. Which of the following is the most likely underlying cause of this patients findings?? A: Overproduction of adrenal cortisol, B: Ectopic hormone production, C: Compensatory hyperinsulinemia, D: Pulsatile GnRH release, E: Deficiency of thyroid hormonesn,  <response>: This is a clinical case about precocious puberty in a 7-year-old girl. The key findings are:- Scant painless vaginal bleeding - No history of serious illness or trauma- Older sister had first period at age 11 family history- Increased height and weight 80th and 95th percentile- Greasy facial skin and sparse axillary hair signs of puberty - Tanner stage 3 breast and stage 2 pubic hair development precocious puberty- High blood glucose level 189 mgdL- Increased LH after leuprolide stimulation test confirms central precocious pubertyThe most likely diagnosis is central precocious puberty due to early activation of the hypothalamic-pituitary-gonadal axis leading to increased pulsatile GnRH release. This is supported by the physical exam findings, high blood glucose, and positive leuprolide stimulation test.D: Pulsatile GnRH release 