May Has Experience Developing Applications Using XSLT 1

Multiple Choice

May has experience developing applications using XSLT 1.0, and would like to take advantage of some of the added features of XSLT 2.0 in developing a new application. She comes to you for help implementing some of these new features.
-May would like to apply a style to each file in a collection. Which of the following do you tell her shows the correct syntax to achieve this result?

A) <xsl:for-each select=" styles "> collection( uri )
</xsl:for-each>
B) <xsl:for-each select="collection( uri ) "> styles
</xsl:for-each>
C) <xsl:for-each use="collection( uri ) "> styles
</xsl:for-each>
D) <xsl:for-each use=" styles "> collection( uri )
</xsl:for-each>