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
Proliferation of cells which are not native to that place is known as: 
Select and explain. 
A. Hemartoma., B. Choriostoma., C. Fordyce's granule, D. Both BC
D: Both BC
Answer: D: Both BC 
Explanation: None