The option that categorizes the central conflict of Daisy Miller: A Study would be individual vs. society.
The relationship between Daisy and Winterbourne symbolizes the relationship between Europe and America. In the depiction of Daisy's moral virtue, Daisy is a young person who is still trying to define her identity as an individual and James is a character who desires to mirror the reality of a world in which most people are morally ambiguous.
Therefore, the answer is that the cental conflict focuses on the individual vs. society.
