Correct answer choice is :
C) It is a waste to use gold for everyday purposes, because it is hard to find.
An utopia is an assumed community or society that maintains highly beneficial or nearly perfect conditions for its citizens. The opposition of a utopia is a dystopia. One could also say that a utopia is an ideal place that has been planned so there are no problems. In many cultures, societies, and religions, there is some story or fantasy of a different past when humankind lived in a modest and simplistic state, but at the same time one of perfect happiness and fulfillment.