The answer to this is letter C. The view tab will contain a lot of icons that are related to helping the document become viewed very well. There is the full-screen view that will let you see how the document looks like in full screen. The print layout will give you an idea of how the document will look like when printed.
Aside from the zoom feature, you can also make some adjustments to the page width. You can also decide if you would like to view just one page or you want to view multiple pages a the same time. This is also the area wherein you can adjust the document so that it can be viewed better at night.