The correct answer is C) an atlas.
Jane has an assignment for her geography class for which she needs to find a map of China. The most beneficial resource would be an atlas.
If you are looking for maps that help with your Geography homework, an atlas is the best solution. An atlas is a collection of maps of different areas of the Earth. The maps show the borders of the countries, the topography of the different regions, indeed you can also see some statistics. You can find hardcover atlas or digital versions on the internet.