【题目】That company is said ___________ a new kind of robot in their production last year.
A. applying B. to apply
C. having applied D. to have applied
在线课程【答案】D
【解析】
试题分析：固定结构：sth/sb be said to have done sth据说某人做了某事；其中的不等式完成式表示已经完成的动作。句意：这家公司据说去年已经在生产中应用了一款新的机器人。故D正确。