Which XSL if s_睦霖题库

Which XSL if statement checks for the existence of a homepage attribute within an STS Universal User XML structure?（）

A、<xsl:if test="//stsuuser:AttributeList/stsuuser:Attribute[attr='homepage']">
B、<xsl:if test="//stsuuser:AttributeList/stsuuser:Attribute[@name='homepage']">
C、<xsl:if-exists="//stsuuser:AttributeList/stsuuser:Attribute/custom:Homepage">
D、<xsl:if-exists="//stsuuser:AttributeList/stsuuser:Attribute[@name='homepage'])>

正确答案:B

答案解析:有

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