39. Peter Drucker became the undisputed father of management一the discipline___________to the study of organizations.
(A) being devoted
(B) devoted
(C) as devoted
(D) is devoted
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統計: A(287), B(815), C(114), D(469), E(0) #864442
統計: A(287), B(815), C(114), D(469), E(0) #864442