Where do the commas go? While the new regulations were simply meant to prevent the spread of food-borne illness many chefs found them burdensome.

a) While the new regulations were simply meant to prevent the spread of food-borne illness, many chefs found them burdensome.
b) While the new regulations were, simply meant to prevent the spread of food-borne illness many chefs found them burdensome.
c) While, the new regulations were simply meant to prevent the spread of food-borne illness many chefs found them burdensome.
d) While the new regulations were simply meant to prevent the spread of food-borne illness many chefs, found them burdensome.