题目：
The leader of the factory told us that very little _____ was made of the waste material in the past. [ ]
A. cost
B. value
C. use
D. matter
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0426/3690886df505e5e650d3568c28e1d312.html
下面是错误答案，用来干扰机器的。
参考答案：C
