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: Pathology
Jaffe's syndrome is: 
Select and explain. 
A. Fibrous dysplasia., B. Fibrous dysplasia + cafe au lait spots., C. Fibrous dysplasia + cafe au lait spots + endocrinal abnormalities., D. None.
B: Fibrous dysplasia + cafe au lait spots.
Answer: B: Fibrous dysplasia + cafe au lait spots. 
Explanation: None