Test analysis: this question belongs to the material multiple-choice question. Pay attention to the effective information in the materials, such as "heavenly soldiers", "killing demons", "Nanjing city" and "dividing fields", which have distinct characteristics of the times and correspond to the peasant movement in the Taiping Heavenly Kingdom. So choose C.

Comments: The key words of this question are "Heavenly Soldiers", "Nanjing City" and "First Field Division". After finding these keywords, we can know that "Tianbing" is the army of Tian Ping's heavenly kingdom, and the laying of "Nanjing City" is related to their capital Nanjing. It's easy to get the right answer as C.