单项选择题
A.<% %>B.<% ! %>C.<%@ %>D.<%=%>
A.var obj=();B.var obj=[];C.var obj=//;D.var obj=1;
A.HttpSession session=new HttpSession();B.String haha=session getParameler(:haha”);C.session.removeAttribute(“haha”);D.session.setAttribute(:haha:);XmlHttpRequest