title: 一道英语题Somepeoplewhodon’tliketotal 
desc: Some ople who don’t like to talk much are not necessarily shy；they        just be quiet people.
  A. must              B. may              C. should            D. would
  
answer: 楼主题目横线没有。是在they后面吧？
  如果是，选B 
  may表一种可能性
  
  一些不喜欢高谈阔论的人并不是因为害羞；也许他们本身就是安静的人。