.It has been reported that the Galileo Space Project is a satellite positioning and naviga

问题补充：

.It has been reported that the Galileo Space Project is a satellite positioning and navigation system for civilian use.

A. intending

B. intended

C. to intend

D. to be intended 

答案：

A. intending

(答案→)B. intended

C. to intend

D. to be intended 

解析：过去分词作后置定语,表过去和被动。