Final answer:
Star Flower felt that she and Clear Sky were alike because they both had faced tragedies and had regrets about their past actions.
Step-by-step explanation:
Star Flower claimed that she and Clear Sky were alike because B) both had tragedy in their hearts and had done things they regretted. This reflection upon their characters demonstrates a shared understanding and acknowledgment of past sorrows and mistakes that they each carry within them. Having experienced struggles and expressing regret over past actions indicates a depth of character and a consciousness that shapes their connection.