Translate the following English sentence to French:
"Commissioner Lamy talks about certain agricultural products, but it has been precisely the protectionism of the common agricultural policy that has most offended developing countries and which has held back development for many of those countries in terms of agricultural production."
Le commissaire Lamy parle de certains produits agricoles, mais c'est précisément le protectionnisme de la PAC qui a le plus offensé les pays en voie de développement et qui a freiné le développement de bon nombre de ces pays en termes de production agricole.