The author suggests that the lack of "marked personal eminence" is an important feature of a social democracy because A. such a society is also likely to contain the seeds of monarchy and aristocracy B. the absence of visible social leaders in such a society will probably impede the development of a political democracy C. social democracy represents a more sophisticated form of government than political democracy D. a society that lacks recognized leadership will be unable to accomplish its cultural objectives E. the absence of visible social leaders in such a community is likely to be accompanied by a spirit of cooperation