Peter Drucker,the Father of Modern Management,believed That Marketing _____________

Peter Drucker,the father of modern management,believed that marketing _____________.

A) Should be a separate function within the business
B) Is the business as seen from an internal point of view
C) Is the business as seen from the customer's point of view
D) Is so basic that it is a central dimension of the entire business
E) Should improve the quality of life for society