During the past decade, the labor market in France has not been operating according to free market principles, but instead stifling functioning through its various government regulations restricting the hiring and firing of workers.

principles, but instead stifling functioning through its various government regulations restricting the hiring and firing of workers

principles, instead it has been functioning in a stifled manner as a result of various government regulations that restrict the hiring and firing of workers

principles, rather functioning despite being stifled as a result of government regulations that variously restrict worker hiring and firing

principles; the hiring and firing of workers is restricted there by various government regulations, its functioning being stifled

principles; instead, its functioning has been stifled by various government regulations restricting the hiring and firing of workers

Is the correct Answer "B"

there's a thread on this problem at
sc-during-the-past-decade-the-labor-market-in-france-t5227.html

in any case, please do not post MGMAT CAT problems without ASKING A QUESTION.
if you just post the problem, then our only possible response is "please go read the answer key to your test."

if you tell us where you're having actual trouble with the problem, then we can help you. thanks.