单选题 Neither of the two parties ______ able to solve the problems of the poor.
A. are B. is C. have been D. will have been

【正确答案】 B
【答案解析】[解析] neither of作主语时，谓语动词用第三人称单数。同样either of和none of作主语时，谓语动词也用第三人称单数。