单选题 Human beings are different from animals ______ they can use language as a tool to communicate.
  • A. lest
  • B. for that
  • C. in which
  • D. in that
【正确答案】 D
【答案解析】[解析] 句意:人类不同于动物就在于他们能用语言作为交流的工具。本题考查固定短语的用法。in that的意思是“在于”,lest的意思是“除非,要不是”,in which是用来引导后置定语从句的。按照句意,D为正确答案。