Answer:
Subconscious
Explanation:
A subconscious social commentary is when a writer refers to a problem that is caused by a social custom, but doesn't challenge this costume in an explicit way. In the given passage from "On Making an Agreeable Marriage" by Jane Austen, she points out a problem for Fanny, and she knows it is caused by the social customs for dating, but she doesn't say it to not challenge these customs.
The answer is the last option, “boycotting was an effective...”
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