The teacher suggested that the dictionary at once .
A. be referred to be bought
B. be referred to being bought
C. referred to being bought
D. referred to be bought
网友回答
A. be referred to be bought
B. be referred to being bought
C. referred to being bought
(答案→)D. referred to be bought
解析：
试题分析:句意：老师建议那本被提到的词典立刻被买来。refer to在句中做后置定语修饰dictionary，应该用过去分词；而suggest表“建议”时，宾语从句的谓语动词应该用should +v原形，should可以省去，故答案选D。