What is corporate governance?

A、Corporategovernancerefersonlytothecorporatesocialresponsibility.
B、Corporategovernancereferstothestructureofrelationshipsandresponsibilitiesamongshareholders,boardmembers,andcorporatemanagers.
C、Corporategovernancereferstoinformationaboutacompany.
D、Corporategovernancereferstothelevelofinvestorprotection.