Jeremy Has Been Using XML to Organize Data for a Company

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 begin by creating a template for the root node. Which of the following do you tell him shows the correct code to use to create the root node template?

A) <xsl:template match="root"> styles
</xsl:template>
B) <xsl:template match="/"> styles
</xsl:template>
C) <xsl:template match="*"> styles
</xsl:template>
D) <xsl:template match="|"> styles
</xsl:template>