Oedipus' self-inflicted blindness symbolizes his foolishness and inability to see clearly what stood before him. Famed for his commonsense and clear thinking, Oedipus has been revealed all too human. Blinding himself is his way of taking responsibility for his part in his father's death and a symbol of new found wisdom. ;)
Answer:
I think it's plastic boon
C) They dramatize the greatness that Othello eventually loses.
This is false: it has a very negative connotation.
It refers to a smile that is mocking or contemptuous (or a remark that is mocking or contemptuos) - so it's not a genuine smile, but an ironic and sarcastic smile. It has a negative and not a neutral connotation.