thE Author CitEs mArtin DiAmonD BECAusE thE Author ______.
A．rEgArDs mArtin DiAmonD As An Authority on politiCAl philosophy
B．wishEs to rEFutE(反驳) mArtin DiAmonD's viEws on CitizEnship
C．nEEDs A DEFinition oF thE tErm "CitizEnship"
D．is unFAmiliAr with thE DistinCtion BEtwEEn liBErtAriAn AnD mAjoritAriAn ConCEpts oF DEmoCrACy