Answer: The dialogue in the passage provided foreshadows that Mercutio’s death will lead to other tragic events.
Explanation: In the passage provided, it is mainly Romeo's words that anticipate that Mercurio's death will bring about new problems. When Romeo says "This day's black fate on more days doth depend", he is trying to say that the future will be seriously affected and marked by negative and unfortunate events. Therefore, the dialogue between Romeo and Benvolio foreshadows that Mercutio’s death will lead to other tragic events.