As you ascend to the surface, you should look:

Looking up and around in all directions while ascending to the surface is crucial for maintaining situational awareness during your dive. This practice allows divers to monitor their surroundings, including the position of other divers, potential hazards, and changing environmental conditions. By being aware of what's above and around them, divers can spot boats, surface currents, or other marine activities that may pose a danger.

In addition, paying attention to your surroundings helps ensure that you are not inadvertently ascending too quickly, which can lead to decompression sickness. Monitoring the ascent path thoroughly allows for a safer experience and better decision-making throughout the ascent process.

The other choices, while relevant in certain contexts, do not provide the same level of comprehensive awareness necessary during the ascent phase. Focusing solely on a buddy or specific elements like sharks or bubbles can distract from the broader view needed to ensure a safe and effective ascent.