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
True about syphilis is 
Select and explain. 
A. Oral lesions are seen at any stage, B. Clinical manifestations occur after few months of exposure, C. VDRL test is positive in early days of primary syphilis, D. Penicillins are ineffective
A: Oral lesions are seen at any stage
Answer: A: Oral lesions are seen at any stage 
Explanation: None