His reply that he 'd simply wanted to join the fun set her mouth in a thin , angry line , and he winced as she pulled the bandage taut around him .

Question: What is the reason he has a bandage applied ?
Answer: The bandage is part of treatment for tattoo removal .The bandage is needed because he is playing doctor .He has been part of some horseplay or roughhousing and was injured doing that .None of the above choices .