Answer: E. none of the above is an example of epeirogeny.
Explanation: Epeirogeny refers to the gradual uplift or subsidence of large areas of the earth's crust, and none of the options provided describe such a process.
The Rockies, Himalayas, and Appalachians are examples of orogeny, which is the process of mountain building through tectonic activity.
The Colorado Plateau is a region characterized by flat-lying sedimentary rocks that have been uplifted by tectonic forces, but it does not describe the gradual uplift or subsidence of large areas of the earth's crust.