On AIDS Day the minister of Health Department demanded that the problems paid special att

问题补充：

On AIDS Day, the minister of Health Department demanded that the problems paid special attention to.

A. referred to being

B. referred to be

C. refer to being

D. refer to be

答案：

A. referred to being

(答案→)B. referred to be

C. refer to being

D. refer to be

解析：考查虚拟语气和分词用法。过去分词短语referred to修饰名词the problems，因为二者构成被动关系，所以使用过去分词的形式。Demand后面的宾语从句使用虚拟语气(should)+动词原形构成，should可以省略。句意：在艾滋病日，卫生部的部长要求有关的问题要要重视起来。故B正确。