Which one of the following statements is not correct? ( )

A、Anorganizationalstructureoutlineshowcertainactivitiesaredirectedtoachievethegoalsofanorganization.
B、Successfulorganizationalstructuresdefineeachemployee'sjobandhowitfitswithintheoverallsystem.
C、Adecentralizedstructurehasadefinedchainofcommand.
D、Seniorleadersshouldconsideravarietyoffactorsbeforedecidingwhichtypeoforganizationisbestfortheirbusiness,includingthebusinessgoals,industry,andcultureofthecompany.