I think it's true but I'm not 100% sure
Answer:
Haven't I?
Explanation:
The statement has Have as auxillary verb and the statement is positive. So, while making the tag question negative form is used.
Scout characterizes Boo as a petty criminal and a "malevolent phantom." Jem describes his neighbor as a monstrous figure, six-and-a-half feet tall with bloodstained hands. Dill must imagine Boo based on the descriptions his friends provide him.
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The answer to your question is C