在管理中，“金属物质在用量”不能表征以下哪项（） From a management perspe

单项选择题

在管理中，“金属物质在用量”不能表征以下哪项（） From a management perspective, which of the following（）cannot be indicated by material in-use stock

A、未发达地区达到已发达地区相同水平时所需要的物质量 The amount of metal that less-developed regions may need to attain comparable material services
B、未来报废的物质数量 The amount of metal that will be obsoleted from end-of-life products
C、未来可能的再生资源数量 The amount of metal that will be available for future recycling
D、未来的自然资源数量 The amount of metal that reserved in nature resource