典型地，多级指标体系可包括（）几个层面的指标 Typically, hierarchical metrics systems can include the following（）levels of metrics

A、国家层面、京津冀区域层面、珠三角区域层面 National level, the Beijing-Tianjin-Hebei regional level, the Pearl River Delta regional level

B、全球层面、国家层面、区域层面 Global level, national level, regional level

C、中国层面、京津冀区域层面、珠三角区域层面 China national level, the Beijing-Tianjin-Hebei regional level, the Pearl River Delta regional level

D、中国层面、印染行业、电镀行业 China national level, printing and dyeing industry level, electroplating industry level