单选题 British agriculture is highly mechanized, with ______ of the population managing ______ of the land area.
A. 10%, 70% B. 5%, 60% C. 3%, 70% D. 4%, 6%

【正确答案】 C

【答案解析】英国的农业机械化程度很高，人口中的3%经营着占总面积70%的土地。