Q1. Jake and Pan dived underwater. How did they breathe underwater?

The question asks, "How did they breathe underwater?" and provides four options: "Not in story," "Created bubbles with their bubble device," "Held their breath," and "Used a snorkel."

The image displays only the question and the multiple-choice options. The actual story about Jake and Pan is not included in the image.

Since the story itself is not provided, there is no text to refer to in order to determine how Jake and Pan breathed underwater. Therefore, based on the information available, the detail about their breathing method is not in the story that has been provided to answer this question.

The final answer is $\boxed{\text{A. Not in story}}$.