What are the relationships between CDWA and VRA Core? （DCWA和VRA Core的关系是什么？）

A、The elements of VRA Core come from CDWA （VRA Core的元素来自于CDWA）;
B、VRA Core is the replacement of CDWA in the description of visual resources （VRA Core是CDWA在视觉资源描述方面的替代品）;
C、Both CDWA and VRA Core distinguish cultural works and their surrogate images （CDWA和VRA Core均区分文化对象及其图像替代物）;
D、 Both CDWA and VRA Core indicate the relationship between cultural works and their surrogate images （CDWA和VRA Core均能指明文化对象与其图像替代物之间的关系）.