单选题 There seems to be a large ______ between the number of people employed in service industries, and those employed in the primary sector.
A. discrimination B. discretion C. discrepancy D. discord

【正确答案】 C
【答案解析】[解析] 名词词义辨析
本句中指的是从事不同行业的人员数量“不等，有差异”。故选discrepancy。