以下HtmlHelper 代码对应输出的HTML 是()。视图内代码:@using (Html.BeginForm("Add", "About", FormMethod.Post)){}
A.<form action="/Add/About" method="post">
B.<form action="/Add/About" method="get">
C.<form action="/About/Add/" method="post">
D.<form action="/About/Add/" method="get">
C、<form action="/About/Add/" method="post">