正确句子是What kind of pants does your sister like?第三人称做主语时特殊疑问句中的助动词用does,后面的动词用原形其他的第一人称,第二人称,复数概念做主语时特殊疑问句中的助动词用do,后面也是用原形例句What kind of pants do you/ we/ they/ your sisters like?What kind of pants does he/she/your sister like?