This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Pathology
[{'content': 'Multipleround to oval erythematous patches with fine central scale distributed along the skin tension lines on the trunk is highly suggestive of? \nSelect and explain. \nA. Tinea versicolor, B. Pityriasis rosea, C. Lichen planus, D. Seborrheic dermatitis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: .', 'role': 'assistant'}]