Helena Is Studying Functional Programming, Using the DrawImages Template Shown

Multiple Choice

 Helena is studying functional programming, using the drawImages template shown in the accompanying figure as an example. She comes to you for help in learning the key features of functional programming.
-Helena has heard that every recursive function contains a change of state that occurs when the base case has not been reached. In the drawImages template, you explain to her that the change of state is represented by the code _____.

A) <xsl:if test="$imgCount > 0">
B) <xsl:with-param name="imgFile" select="$imgFile" />
C) <img src="{$imgFile}" alt="" />
D) <xsl:with-param name="imgCount" select="$imgCount - 1" />