Jeremy has been using XML to organize data for a company that manufactures medical devices. He knows you have experience writing XML data to an output file using XSLT and XPath, and asks for your help improving the display of his data.
Jeremy would like to reference all the nodes in the node tree, and asks if it will be necessary to type them all out individually. You reassure him that he can select all the nodes in the node tree using the short path expression _____.

A. ?.*
B. ?//*
C. ?./*
D. ?*//

Answer: B