Which of the following is true regarding state rules of corporate governance?

a.There are no state rules of corporate governance because the Securities and Exchange Commission has preempted the field.

b.California imposes state pro-shareholder rules on quasi-foreign corporations.

c.By federal law, if a state wishes to impose corporate governance requirements on corporations incorporated in the state, then the same rules must be imposed on corporations operating in the state but incorporated in another state.

d.Under the U.S. Constitution, a state may only apply its corporate governance rules to corporations incorporated in the state.