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: Ophthalmology
The most common malignant tumor of the eyelids is 
Select and explain. 
A. Squamous cell carcinoma, B. Basal cell carcinoma, C. Melanoma, D. Adenocarcinoma
B: Basal cell carcinoma
Answer: B: Basal cell carcinoma 
Explanation: B i.e. Basal cell carcinoma