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
Multipleround to oval erythematous patches with fine central scale distributed along the skin tension lines on the trunk is highly suggestive of? 
Select and explain. 
A. Tinea versicolor, B. Pityriasis rosea, C. Lichen planus, D. Seborrheic dermatitis
B: Pityriasis rosea
Answer: B: Pityriasis rosea 
Explanation: .