il a pris sa décision
He made up his mind right away.
Il a pris sa décision sur-le-champ.
He made up his mind to go there alone.
Il décida d'y aller seul.
He made up his mind to go there.
Il a décidé d'y aller.
Il a pris sa décision rapidement.
He made up his mind to be a doctor.
Il a décidé de devenir médecin.
Il a pris sa décision.