This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Physiology
[{'content': 'Disruption of the hypothalamic pituitary poal system will lead to \nSelect and explain. \nA. High circulating levels of PRL, low levels of LH and FSH, and ovarian atrophy, B. Enhanced follicular development as a result of increased circulating levels of PRL, C. Ovulation, followed by increased circulating levels of progesterone, D. A reduction of ovarian inhibin levels, followed by increased circulating FSH', 'role': 'user'}, {'content': 'Answer: A \nExplanation: .', 'role': 'assistant'}]