问题补充:
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
答案:
A. removed
B. have removed
C. were removed
(答案→)D. have been removed
解析:句意:由于手机的原因,到现在为止,成千上万的红色电话箱,英国的旧的影像已经被去除。表示自过去某一时刻到说话时这段时间中的经历,用现在完成时,且“红色电话箱”和“去除”之间是被动关系,故用被动语态,选D。