I think you forgot to attach the passage along with the question. I am answering the question based on my research and knowledge and hope that it helps you. <span>This passage alludes to the creation of </span>"the Index of Forbidden Books". The correct option among all the options that are given in the question is the third option.
A. Seoul remained in the South and was the capital of SK. What makes it such a perilous position, is that it is located relatively close to the NK border.