Translate the following English sentence to French:
"With regard to Parliament's various resolutions on the postal sector, my colleague, Commissioner Bolkestein, has already responded to some of the main points at the hearings which Parliament held last year."
En ce qui concerne les diverses résolutions du Parlement relatives aux services postaux, mon collègue, le commissaire Bolkestein, a déjà réagi aux principales remarques au cours des différentes audiences organisées l'année dernière par le Parlement.