All of the Following Statements About the Methods of Regulating

All of the following statements about the methods of regulating insurance are true EXCEPT

A) All states have insurance laws that regulate the operations of insurers.
B) Insurers are totally exempt from regulation by federal agencies and laws.
C) The courts regulate insurance in many ways,including the interpretation of policy clauses and provisions.
D) State insurance commissioners,through administrative rulings,have considerable power over insurers doing business in their states.