.__ every paper has its own characteristics,it is still possible to classify the British newspapers into different group
问题描述：
.__ every paper has its own characteristics,it is still possible to classify the British newspapers into different groups.A.because B.Since C,When D.While 这个题为什么选D而不能选B呢?
答
A肯定不对,C不考虑,B since是众所周知的原因,理所当然 还是选D.但我也是在知道你的答案之后更明确的解释,有比这更好的理由,我也想知道.