Gigantic passenger planes currently being developed will have enough space to hold shops and lounges in addition to passenger seating. However, the additional space will more likely be used for more passenger seating. The number of passengers flying the air-traffic system is expected to triple within 20 years, accommodate enough normal-sized jet planes to carry that many passengers.
What this question is testing
Your task
Break the argument into its conclusion and evidence, then do exactly what the question stem asks with that structure.
Common trap
Answers that sound relevant to the topic but don't connect to the argument's actual reasoning.
Winning move
Predict what a right answer must do, then test each choice against the conclusion-evidence gap.
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