How did Brian achieve his breakthrough?

• A. He trapped the fish in a closed area
• B. He used a net to catch them
• C. He boiled water to sterilize the area
• D. He followed a plan to lure them

Answer: (A)

The main idea is the moment Brian realizes a reliable way to catch fish by shaping his environment, not just using luck or a single tool. By building a closed, confined area in the water, he makes the fish stay where he can reach them. This trap turns fishing from a chance effort into a repeatable method, giving him a dependable food source and marking a real turning point in his survival.

Why this works better than the other ideas: using a net isn’t feasible without a net to begin with, so it wouldn’t be his breakthrough moment. boiling water to sterilize doesn’t help him catch fish at all, it’s about preparation rather than catching. following a plan to lure them would rely on appealing to the fish with bait, which isn’t what he discovers in this breakthrough.