3. Choose the meaning that best matches the word in italics.

Before the debate began, the speaker's heart fluttered with nervous anticipation, and he

breathed deeply to steady his nerves.

Answer: The speaker's heart beat rapidly.

Step-by-step explanation: According to oxford, to flutter means to make a series of quick delicate movements up and down or from side to side.

So, for the speaker's heart to flutter with nervous anticipation before the debate began, it means that there was a rapid movement in his heart beat which is a clear sign of being nervous.