The subject of politics ____ interested him since be went to high school. A has B have C is D are 这题应该选c或a吧 ? subject可以知道是不可数 可是我看不懂它的意思 翻译类似这么的句子是不是从它的从句着手? since be went to high school.自从上了高中 然后看主句好象 他就对题目是政治感兴趣! ? 是怎么样吗? 那么看就选c落 什么东西被感兴趣落对吗/