Economists Generally Criticize High Barriers to Market Entry Because

Economists generally criticize high barriers to market entry because

A) the ability of consumers to discipline producers is weakened.
B) unregulated monopolists and oligopolists can often gain by increasing output and raising price.
C) legal barriers to entry will encourage firms to "invest" resources in developing highly desired products that consumers are willing to pay more for.
D) entry barriers are popular with consumers but not businesses.