Need help multiple choice

The lent 0.26.31 How does one account for the fact that 30% of occupations require licenses? Select one: O a. It provides safety and quality without impacting the prices consumers pay for licensed services O b. Competition is ruinous for consumers and they must be protected O c. There were actually more than 30% of occupations requiring licneses so the current situation is an improvement O d. People elected to state legislatures are enticed by hopes of becoming re-elected to serve special interests like plumbers, real estate agents, lawyers, and so on, are eager to pass bills favoring those groups