Which sentence correctly uses the present perfect passive for a result that is relevant now?
The files have been backed up, so the upgrade can begin.✓Respuesta correcta
The account has being verified, so access is available.
The forms have signed, so they can be filed.
The permit has been approve, so work can start.
Explicación
The sentence about the files correctly uses have been plus the participle backed up for a completed result that matters now. The account sentence is the closest distractor because has being substitutes the continuous marker for perfect been.