Which of the following arguments could be used to justify state action to provide basic minimum conditions of life to all citizens？
（a）Providing free services to the poor and needy can be justified as an act of charity．
（b）Providing all citizens with a basic minimum standard of living is one way of ensuring equality of opportunity．
（c）Some people are naturally lazy and we should be kind to them．
（d）Ensuring basic facilities and a minimum standard of living to all is a recognition of our shared humanity and a human right．