Questão número 637028

According to the last paragraph of Text I, a radar controller

• A.

  works entirely alone in his designated airspace.

• B. operates a radar but never contacts airplane pilots.
• C.

  is responsible for alerting pilots to several potential dangers.

• D.

  is an inexperienced member of the team of air traffic controllers.

• E.

  is the only person responsible for conducting a plane to its destination.