Answer: D. demonstrated his need to better understand the market
Explanation:
Based on the information given, the action of Francisco shows that he needs to understand the market better.
In this case, the lack of understanding with how the market works can be seen when he came to the United States for his scholarship and couldn't find the swim goggles that he prefers.
Understanding the market will have made it easier for him to get the kind of goggles that he wants easily.