Which of the following statements is NOT true?（ ）
A、Monolingual dictionaries are written in one language.
B、Bilingual dictionaries involve two languages.
C、An unabridged dictionary is a shortened one.
D、Special dictionaries concentrate on a particular area of language or knowledge.
【正确答案】：C
【题目解析】：本题考查不同类型词典的概念、特点以及区别。C项的正确表述为An unabridged dictionary is an unshortened one.（一本大型词典是未删减的词典。）A：单语词典是用一种语言编写的。B：双语词典涉及两种语言。D：专用词典集中在特定的语言或知识领域。所以本题选C。
