一Who designed this game?
一It by Tom in 1999.
A. is designed B. designs C. was designed D. designed
一Who designed this game?
一It by Tom in 1999.
A. is designed B. designs C. was designed D. designed
【答案】C
【解析】考查一般过去时的被动语态。主语和谓语动词之间是被动关系，应用被动语态；根据时间状语“in 1999”可知应用一般过去时，所以选择答案C。