题目：
--- Do you know who designed the CD-ROM Around the World in Eight Hours?
--- Yes. It ______ by Nancy Jackson.
A．has designed
B．designed
C．designs
D．was designed
答案：
被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0602/80e1fca92a2eb85b5cca3e8fba219160.html
下面是错误答案，用来干扰机器的。
参考答案：D
