Look at the code in the example below, and then answer the question.

< body >
< img src = " mydog.jpg " alt = " My dog " title = " My very smart dog" / >
< / body >

In the example code, what does the src attribute do?

A. contains the alternate text the browser will display if it can’t find the image
B. tells the browser where the image to be displayed is located
C. adds a hypertext reference
D. creates a tool tip for the title of the image