A.<IMGESSRC=C:\picture.jpgHEIGHT=50WIDTH=70> B.<IMGSRC="C:\picture.jpg"HEIGHT="50"WIDTH="70"> C.<IMAGESRC="C:\picture.jpg"HEIGHT="50"WIDTH="70"> D.<IMAGESRC=C:\picture.jpgHEIGHT=50WIDTH=70>
A.SMTP B.POP3 C.IMAP D.NNTP