Passage Summary: Airports are starting big construction projects even though fewer people are flying and it will take years for the crowds to come back, which seems like odd timing.

Conclusion: The decision by airports to proceed with terminal expansions right now is unexpected given the current slump in air travel.

Reasoning: Passenger numbers have dropped significantly and are not expected to recover for five years, yet expansion is typically only justified by growth in traffic.

Analysis: This question asks us to find a reason that supports the airports' decision, effectively bridging the gap between the current low demand and the long-term plan. You should look for an answer that explains why building during a downturn is actually a smart move, such as lower construction costs or less interference with daily operations. The stimulus assumes that expansion must follow immediate demand, but the correct answer will likely highlight a benefit of acting while the terminals are empty. Focus on finding a practical advantage to the 'surprising' timing mentioned by the author.