How does a reader make an inference about a character?

a. by using information about the character that the author has provided in the footnotes
b. by using the character's actions, interactions, and words to learn more about him or her
c. by using information from another source to learn more about the character
d. by using the author's biographical information to learn more about the character

What is the significance of the above statement in relation to the play’s conclusion? oedipus treats his inferiors poorly but ultimately grants them the same respect he grants to nobility. while teiresias appears to be mocking oedipus, the real message is one of warning about the forces working against the king. oedipus earns great fame for answering the riddle of the sphinx but ultimately loses his crown to a common man. just as oedipus is unable to conceive that he has done wrong in the past, he is unable to imagine that his enviable position is impermanent.