Final answer:
The best example of an imaginary character based on a real person is a fictional heroine whose mannerisms resemble those of the author's wife.
Step-by-step explanation:
The best example of an imaginary character based on a real person is option B, a fictional heroine whose mannerisms resemble those of the author's wife. This character takes inspiration from a real person and incorporates their personality traits and idiosyncrasies into a fictional creation.
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