Analysis of test questions: the production process of monsoon paddy field agriculture is more complicated than other planting industries and belongs to labor-intensive agriculture; Mainly distributed in the monsoon climate areas of East Asia, South Asia and Southeast Asia. The output per unit area is higher. So choose C.
Comments: This topic investigates the distribution and characteristics of monsoon paddy field agriculture. The problem is not so difficult. The key to solve the problem is to remember the characteristics of monsoon paddy field agriculture.