What is Corporate governance?( )
选项：

A:Corporate governance can be defined as the conduct of senior officers in an organization. The governance framework is who the organization serves and how are priorities decided.
B:Corporate governance regulation arose due to abuses of power by senior executives and they provide and balances to senior executive power. Examples include the combined code in the UK and the Sarbanes-Oxley Act in the US.
C:This is consequence of the agency problem- the owners of larger businesses (shareholders ) being separated from the managers ( directors) who act as their agents but may in reality seek their own personal objectives.
D:All the other choices are correct