In which one of the following sentences is but used as a preposition?

How does the author's use of hyperbole to characterize jim smily? a) it characterizes smily as an introverted loner who prefers books to people. b) it characterizes smily as a man who is kind and nurturing toward others who are less fortunate. c) it characterizes smily as a man who is evil and vindictive toward any one who crosses his path. d) it characterizes smily as a man who is a risk-taker who willing bets on anything and with anyone.

Identify what is wrong with each italicized pronoun reference. carolyn sang higher than the other sopranos but she didn't support it properly. placed too far from antecedent no specific antecedent ambiguous reference

The speaker's tone in "harlem" is best described as frustrated conflicted. joyful. accepting