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: Dental
A young female presented with lucy linear lesions on tongue since a month with elongation of nail fold beyond the nail bed. What is the diagnosis – 
Select and explain. 
A. Psoriasis, B. Geographic tongue, C. Lichen planus, D. Candidiasis
C: Lichen planus
Answer: C: Lichen planus 
Explanation: This young female has


Lacy linear lesions on tongue
Elongation of nail fold beyond nail bed → pterygium


Diagnosis is Lichen planus.