Which of the Following statements is true?

(A).  Paradigmatic relations also called semantic or generic relations, usually find expression in the organisation of the vocabulary itself. 

(B). Syntagmatic relationships, also called syntactical relationships are achieved by means of syntactical rules of the given indexing language. 

(C). Syndetic device is an organisational framework in which related subjects are linked together in an underlying classificatory structure.

(D).The etymological meaning of syntax is ‘Setting things apart.