All the sentences can be used to support the idea that Captain Brown was unaware that the ladies of Cranford disliked him except,
In this description above, the Captain maintains a friendly attitude towards the ladies of Cranford and these ladies display a cool demeanor that may not have revealed much about their innermost intentions.
Since the women are pretending to be nice in this case, we can infer that the Captain was unaware of their dislike for him.
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