考试试题~高手进来帮忙解决
分)     为宣告PUBLIC   DTD选择适当的语法？
(A)   <!DOCTYPE   PUBLIC   Root_Name   "Name_of_DTD "   "URL_of_DTD ">      

(B)   <!DOCTYPE   PUBLIC   "Name_of_DTD " "URL_of_DTD "   Root_Name>        

(C)   <!DOCTYPE   Root_Name   PUBLIC   "URL_of_DTD "   "Name_of_DTD ">        

(D)   <!DOCTYPE   Root_Name   PUBLIC   "Name_of_DTD "   "URL_of_DTD ">

------解决方案--------------------
A
------解决方案--------------------
C
------解决方案--------------------
分明是D嘛！