This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
A 36-year-old female with symptoms of hyperparathyroidism, tumor in the pancreas, adrenal cortical hyperplasia, pituitary adenomas, islet cell tumor with cutaneous angiofibroinas. What is the diagnosis? 
Select and explain. 
A. MEN I, B. MEN 2 A, C. MEN 2 B, D. MEN 2 C
A: MEN I
Answer: A: MEN I 
Explanation: MEN1syndrome
Consist of characteristic triad of (3P)

Pituitary tumour
Parathyroid tumour
Pancreatic islet cell tumours