问题
单项选择题
The winning ______ would be able to invest in cost-effective technology which would make him competitive on the world market for such services.
A．factor
B．tutor
C．contractor
D．debtor
答案
参考答案：C
解析：[分析] 名词辨析A．factor 因素，要素；B．tutor 家庭教师，监护人；C．contractor 承包人；D．debtor 债务人；而本句意为：得胜的将能够投资于高性价比技术，而这将使得他在世界市场上这种服务性行业中更具竞争力。因此所填之词应是“承包人”，C为答案。