The img tag is used for displaying an image in a webpage. The correct use of the img tag is __________.

• A. <img src="imagename.format" alt="This is an image" height="45" width="45">"
• B. </img src="imageurl.html"><alt="This is an image", height="45", width="45"/>
• C. <image src="imagename.gif,alt="This is an image"><height="45">, <width="45"/>
• D. <img="imagename.format" height="45", width="45">