---DoyouknowwhodesignedtheCD-ROMAroundtheWorldinEightH...
来源：语文精选馆 1.47W
问题详情：
--- 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
【回答】
D
知识点：动词语态
题型：选择题
