问题
单项选择题
A Spear or a robot has the quality of technology only when it______.
A．is used both as a cultural and a physical object
B．serves different purposes equally well
C．is utilized by man
D．can be of use to both man and animal
答案
参考答案：C
解析：判断题。文章的第二段有一句话：Yet we must remind ourselves that technology is a human creation． It does not exist naturally．这就告诉我们spear or a robot只有被人使用时，才会成为技术。