Answer:
The audience watches a boy notice the shadows of balloons and streamers before turning on his light to discover he has been thrown a surprise party.
Explanation:
A text presents dramatic irony when it presents information that, although the audience knows, the character involved in the story does not.
In this case, among the options given in the question, we can say that the first option is the most correct example of dramatic irony. This is because the boy observes the shadows of balloons and streamers, but does not know that there is a surprise party prepared for him, however, the public knows.