Answer :
Final answer:
Benedick means Claudio's speaking is unnecessarily elaborate.
Explanation:
When Benedick refers to Claudio's new way of speaking as a "fantastical banquet," he means that it is unnecessarily elaborate. Claudio's words are like a feast with overly complicated and excessive dishes, indicating that his speech is now overly ornate and showy compared to his previous plain and direct way of speaking.
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