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
Presence of epithelial pearls in spinous Layer of epithelium is characteristic of 
Select and explain. 
A. Carcinoma, B. Pre-cancer, C. Dysplasia, D. Metaplasia
A: Carcinoma
Answer: A: Carcinoma 
Explanation: None