This problem is said _____ three times at the meeting. However, they haven’t arrived at a conclusion now.

A. to have discussed         B. to have been discussed

 having been discussed     D. having discussed

This problem is said_____ three times at the meeting. However, they haven’t arrived at a conclusion now.

This problem is said_____ three times at the meeting. However, they haven’t arrived at a conclusion now.

1. A.
   to have discussed
2. B.
   to have been discussed
3. C.
   having been discussed
4. D.
   having discussed

This problem is said _____ three times at the meeting. However, they haven’t arrived at a conclusion now.

A. to have discussed         B. to have been discussed

 having been discussed     D. having discussed

This problem is said_____ three times at the meeting. However, they haven’t arrived at a conclusion now.

     A. to have discussed                           B. to have been discussed

C. having been discussed                     D. having discussed