Where to get the materials and how to ge
题型：选择题
问题：
Where to get the materials and how to get them ________ at the meeting.
A．have not discussed
B．have not been discussed
C．has not discussed
D．has not been discussed
Where to get the materials and how to get them ________ at the meeting.
A．have not discussed
B．have not been discussed
C．has not discussed
D．has not been discussed