Alfonso Has Been Working with XQuery, and Would Like to Create

Multiple Choice

Alfonso has been working with XQuery, and would like to create a library module to centralize the global variables and functions he's created. He has encountered some problems in implementing the library module, and comes to you for help.
-Alfonso has placed several global variables in his library module. However, when he references one of these variables in a query main module, an error occurs. In looking at his code, you suggest the problem is happening because he did not include the _____ when referencing the variable.

A) namespace prefix
B) absolute path
C) fully qualified name
D) relative path