The following titles do not belong to Yangquan: A, a famous literary country B, a hometown of coal and iron C, a land of abundance.

Yangquan culture has a long history. In ancient times, there was a saying that "the culture of the three Jin Dynasties was fixed" (pacify and settle down). Yangquan was once known as "a famous literary country" in history.

Yangquan City is the political, economic, educational and cultural center in the east of Shanxi Province, and an important part of China energy and heavy chemical industry base. Taohe River runs through the urban area, with green mountains and green waters, rich mineral resources and pleasant climate, and is known as the "hometown of coal and iron".

So choose C.