The short growing season and thin, rocky soil of the Atlanticpro

The short growing season and thin, rocky soil of the Atlanticprovinces in Canada have made _______ difficult.
A、mining
B、fishing
C、farming
D、lumbering
【正确答案】：C
【题目解析】：短暂的生长季节加之贫瘠、多岩的土壤，使大西洋省区不适合农业发展。