Answer:
In this excerpt from Jane Austen's Pride and Prejudice, the theme that is apparent is prejudice, as it refers to Elizabeth evaluating the impressions that the ladies had caused her in the assembly, prejudging them.
Explanation:
Pride and Prejudice, published for the first time on January 28, 1813 as an anonymous work, is the most famous of Jane Austen's novels and one of the first romantic comedies in the novel's history.
It is a novel of personal development, in which the two main figures, Elizabeth Bennet and Fitzwilliam Darcy, each in their own way and, nevertheless, in a very similar way, must mature to overcome some crises and learn from their mistakes in order to face the future in common, overcoming Darcy's class pride and Elizabeth's prejudices towards him.