Why could the princess in the short story The lady, or the Tiger fall in love with the courtier?

A、Because the princess was a fervent and imperious person, while the courtier was the most handsome and bravest person in the kingdom.;

B、Because the princess loved the courtier from her heart in spite of his station.;

C、Because the princess was wilful and just wanted to act against his father.;

D、Because both the princess and the courtier loved each other.