Final answer:
In Jane Austen's 'Pride and Prejudice', Mr. Bennet's first response to the news of Elizabeth and Darcy's engagement is one of disbelief and bewilderment, providing a window into their family dynamics.
Step-by-step explanation:
When Mr. Bennet receives a letter from Mr. Collins informing him of Elizabeth and Darcy's engagement, his response is one of disbelief and bewilderment. This scenario occurs in Jane Austen's novel Pride and Prejudice, where Mr. Bennet is taken aback by the unexpected news. He initially doubts the seriousness of the engagement due to Elizabeth's previous expressed opinions of Mr. Darcy. It's a moment that combines Austen's flair for irony and character development, as Mr. Bennet's reaction offers insight into his relationship with Elizabeth and the dynamics of their family.