Question

【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

Answer 1

【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。