【单选题】The possibility of a midair crash between a drone and another aircraft will further complicated acceptance of drones. Please match the name of the feature with the sentence.
【单选题】The possibility of a midair crash between a drone and another aircraft will further complicated acceptance of drones. Please match the name of the feature with the sentence.
【单选题】The possibility of a midair crash between a drone and another aircraft will further complicated acceptance of drones. Please match the name of syntactic feature with the sentence.
【单选题】The possibility of a midair crash between a drone and another aircraft will further complicated acceptance of drones. Please match the name of the feature with the sentence.