请帮我看看以下语句有什么问题，谢谢！

Question

response.write "<br/><br/><br/><br/><br/><center>Have saved!<a href=../manage/UploadPicture.asp?libraryID="&libraryID&">  Upload Picture</a> <a href=../manage/input.asp>New one</a></center>"

Answer 1

response.write "<br/><br/><br/><br/><br/><center>Have saved!<a href=../manage/UploadPicture.asp?libraryID="+libraryID+">  Upload Picture</a> <a href=../manage/input.asp>New one</a></center>"

Answer 2

用 "+" 正确,用"&"不正确