Which Two of the Following Code Samples Contain Correct XML

Which two of the following code samples contain correct XML code for adding style.css to a page? (Choose TWO.)

A) <action method= "add"><stylesheet>css/styles.css</stylesheet></action>
B) <action method="addCss"><stylesheet>css/styles.css</stylesheet></action>
C) <action method="addltem"><name>css/styles.css</name></action>
D) <action method= "addltem"><type>css</type><name> css/styles.css </name></action>
E) <action method= "addltem" ><type>skin_css</ type><name> css/styles.css</name></action>