You are developing pages for your company's Web site. You want to ensure that the pages are easily viewable on mobile devices. Which factor must you consider when developing the pages?
a. Mobile devices cannot render pages developed using CSS.
b. Cloud services may not be available to mobile devices.
c. Smaller screens are used to view Web pages previously viewed only on much larger PC monitors.
d. Larger screens are used to view Web pages previously viewed only on much smaller PC monitors.