【单选题】

SOX is an alternative (66) for XML. It is useful for reading and creating XML content in a (67) editor. It is then easily transformed into proper XML. SOX was created because developers can spend a great deal of time with raw XML. For many of us, the popular XML (68) have not reached a point where their tree views, tables and forms can completely substitute for the underlying (69) language. This is not surprising when one considers that developers still use a text view, albeit enhanced, for editing other languages such as Jav

A、SOX uses (70) to represent the structure of an XML document,which eliminates the need for closing tags and a number of quoting devices. The result is surprisingly clear.
A、programming
B．command
C． markup
D．interactive