Up to now, thousands of red phone boxes,
问题:
Up to now, thousands of red phone boxes, the old image of Britain, ________ due to mobile phones.
A.removed
B.have removed
C.were removed
D.have been removed
Up to now, thousands of red phone boxes, the old image of Britain, ________ due to mobile phones.
A.removed
B.have removed
C.were removed
D.have been removed