Case Question 2Vanessa is responsible for adding interactivity to her company's Web site. She is concerned that adding more images might make the pages look crowded.  Instead, she decides to use an Image Swap on the page where she is currently working.In order for the image swap behavior to work properly, Vanessa must make sure the original image and the replacement image have the same ____.

A. elements
B. dimensions
C. formatting
D. number of pixels

Answer: B