The dialogue that most successfully discloses the character of Nina:
A). "Yes, she has pity...is controlling.
The dialogue that discloses the character of Nina in the text possessing the title "The Fan" is provided above.
This shows that she carries generosity yet her brother's control over her mars her from taking required actions that she aspires to take in her life.
This validates or establishes the claim that her character is under the control of her brother.
Thus, the apt answer is option A
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