Up to now, thousands of red phone boxes, the old image of Britain, due to mobile phones.

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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。