Answer :
Final answer:
The best question to ask in this situation is 'De dónde es usted?' to determine where the suspicious character is from.
Explanation:
'De dónde es usted?' is the best question to ask in this scenario. It means 'Where are you from?' and is suitable for inquiring about someone's origin or nationality.
It is important to ask this question to determine the origin of the suspicious character and gather relevant information for security purposes.
Asking '¿De dónde es usted?' helps in addressing security concerns and ensuring the safety of the airbase.
Learn more about Questioning Suspicious Activity here:
https://brainly.com/question/50861539