Questão 37 do Concurso Escola de Especialistas de Aeronáutica (EEAR) - Sargento da Aeronáutica - Controle de Tráfego Aéreo (Turma 2) (2017)

We can infer from the text that

  • A delays can be avoided due to bad weather.
  • B nowadays there are much more planes flying, and not enough technology to control them.
  • C nothing can be more annoying than waiting around the airport when a flight has been delayed.
  • D like buses and trains, airplanes were formerly used as a means of transportation appealed to a large number of people.