若要在网页中插入样式表main.css，以下正确的是（ ）
A<link href="main.css" type=text/css rel=stylesheet>
B<link src="main.css" type=text/css rel=stylesheet>
C<link src="main.css" type=text/css >
D<script href="main.css" type=text/css rel=stylesheet>
A<link href="main.css" type=text/css rel=stylesheet>
B<link src="main.css" type=text/css rel=stylesheet>
C<link src="main.css" type=text/css >
D<script href="main.css" type=text/css rel=stylesheet>