you can't understand the words,____ this is ok A.and B.or C.but D.for 为什么选C

you can't understand the words,____ this is ok A.and B.or C.but D.for 为什么选C
you can't understand the words,____ this is ok A.and B.or C.but D.for 为什么选C

you can't understand the words,____ this is ok A.and B.or C.but D.for 为什么选C
因为but有转折的意思
句子开首说不明白那字 ,下一句说没问题的
前先意思不同 中间需要一个转折的词来表达'不过'