Click the Exhibit button.
The h：highlight tag renders its body， highlighting an arbitrary number of words， each of which is passed asan attribute （word1， word2， ...）. For example， a JSP page can invoke theh：highlight tag as follows： 11.  12. high medium low 13. 
Given that HighlightTag extends SimpleTagSupport，which three steps are necessary to implement the taghandler for the highlight tag？（）

A.The function method must have the signature： public String spin（）.
B.The method must be mapped to the logical name "spin" in the web.xml file.
C.The function method must have the signature： public String spinIt（）.
D.The function method must have the signature public static String spin（）.
E.The function method must have the signature： public static String spinIt（）.
F.The function class must be named Spinner， and must be in the package com.example.

A.${userName}
B.${cookie.userName}
C.${cookie.user.name}
D.${cookies.userName[0]}

A.${param.num[0]，[1] and [2]}
B.${paramValues[0]，[1] and [2]}
C.${param.num[0]}， ${param.num[1]} and ${param.num[2]}
D.${paramValues.num[0]}， ${paramValues.num[1]} and ${paramValues.num[2]}
E.${paramValues["num"][0]}， ${paramValues["num"][1]} and ${paramValues["num"][2]}