Valid reasons to use a Schema rather than a DTD when defining an XML document include all of the following EXCEPT which?

Valid reasons to use a Schema rather than a DTD when defining an XML document include all of
the following EXCEPT which?

A.
Schemas are more widely used.

B.
Schemas are described with XML syntax.

C.
Schemas are used to validate documents on content as well as data types.

D.
Schemas are capable of using namespaces.