Question ID:PT65 S4 Q18 Passage:Hospitals, universities, labor unions, and other institutions may well have public purposes and be quite successful at achieving them even though each of their individual staff members does what he or she does only for selfish reasons. Stem:Which one of the following generalizations is most clearly illustrated by the passage? Correct Answer Choice:BChoice A:What is true of some social organizations is not necessarily true of all such organizations. Choice B:An organization can have a property that not all of its members possess. Choice C:People often claim altruistic motives for actions that are in fact selfish. Choice D:Many social institutions have social consequences unintended by those who founded them. Choice E:Often an instrument created for one purpose will be found to serve another purpose just as effectively.