What attribute must be shared for all translations of the same competency to meet this requirement?

Your customer has 5 unique competencies for individual contributors and 5 for managers. The competencies will be translated into 11 languages and will auto-populate on a multi-language performance review form based on job code .

What attribute must be shared for all translations of the same competency to meet this requirement?
A . Library name
B. Did
C. Category
D. GUID

Answer: D