In the book of Jonah, beyond the narrative of disobedience and repentance, what central theological theme is explored through God's compassion for Nineveh?

A The limitations of prophecy and the fallibility of prophets. B The universality of God's mercy and his desire for all people to turn from evil. C The importance of obedience to divine commands, regardless of personal feelings. D The contrast between Jewish particularism and Gentile inclusion.