能在网页的标题栏上出现文字“欢迎光临我的网站”的正确HTML代码是() A . <form>欢迎光临我的网站</form> B . <body>欢迎光临我的网站</body> C . <head>欢迎光临我的网站</head> D . <title>欢迎光临我的网站</title> 答案:D ______ halfway through the exercise, the teacher changed his mind and collected all our papers. A. When only being B. When we were only C. Being only D. Having been