单选题
Human beings are superior to animals that they can use language as a tool of communication.
【正确答案】
A
【答案解析】连词应用。从意思判断,本题的句子是原因状语从句。在四个选项中只有从属连词“in that”可表示“由于,因为”,如:Criticism and self-criticism is necessary in that it helps us to correct our mistakes.批评与自我批评是必要的,因为能帮助我们改正错误。因而应选A。