On world AIDS Day, the minister of Health Department demanded that the problems paid special attention.
A. referred to being
B. referred to be
C. refer to being
D. refer to be
网友回答
A. referred to being
(答案→)B. referred to be
C. refer to being
D. refer to be
解析：考查过去分词作定语和虚拟语气。句意：在艾滋病日那天，卫生部部长要求被提到的那几个问题应该特别注意。分析句子结构可以得知referred to作后置定语，修饰problems；谓语动词demand后面的宾语从句的谓语动词要用“should+动词原形”，should可以省略。选B。