Im sorry but im confused of what your asking.
Será ud its the short form of será usted you can use it for a question like
Será usted el azafato del vuelo?
Are you the flight assistant?
I’m Spanish, if you need help, ask me whenever you want, and please, if I was useful please let Brainly know!
Since it ends "O" I am pretty sure the definite article would be "El"
Answer:
B
Explanation:
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