The price of cell phones recently.
A. has been raised
B. has been risen
C. has been fallen behind
D. has been broken down
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(答案→)A. has been raised
B. has been risen
C. has been fallen behind
D. has been broken down
解析：考查动词及短语在被动句中的用法辨析。只有raise为及物动词。B 为不及物动词；C，D为不及物动词短语，不能用于被动语态。