__________ is an extended version of the XHTML markup language for supporting RDF through a collection of attributes and processing rules in the form of well-formed XML documents.
A
XHTML + RDFa
B
XHTML+XHTML5
C
XHTML1.0+XHTML2.0
D
XHTML + RDF
Correct Answer: XHTML + RDFa
XHTML+RDFa (Extensible Hypertext Markup Language + Resource Description Framework in attributes) is an extended version of the XHTML markup language for supporting RDF through a collection of attributes and processing rules in the form of well-formed XML documents.