单选题 ______ some people regard as a drawback is seen as a plus by others.
  • A. What
  • B. Whether
  • C. That
  • D. How
【正确答案】 A
【答案解析】[解析] 本题考查名词性从句中的主语从句。作主语只能用what来引导，C项中的that引导主语从句不能担当任何成分。