Translate the following English sentence to French:
"We could have chosen to pose the question in reverse, that is to say, why, when the Commission had the monopoly on initiative for ten years, did it not take any step to regulate such an important issue?"
Nous aurions pu décider de poser la question inverse : pourquoi, alors qu'elle a eu le monopole de l'initiative pendant dix ans, la Commission n'a-t-elle accompli aucun pas afin de régler cette question tellement importante ?