专家建议居民在投资理财时,投资黄金不超过总收入5%,对投资黄金的理解正确的有( )①黄金是一种特殊商品,不可以买卖和流通②黄金作为一种理财产品,有价值和使用价值③投资黄金风险最大,应把更多的钱投入其它领域④投资黄金的收入属于居民财产性收入A.①③ B.②④ C.②③ D.③④—Mike, how about your journey to Mount Huang? —Everything was wonderful except that our car_________ once on the way. A. broke intoB. broke downC. turned intoD. turned down