Which of the following statement is NOT true?（ ）

Which of the following statement is NOT true?（ ）
A、Monolingual dictionaries are written in two languages.
B、An unabridged dictionary is an unshortened one.
C、Linguistic dictionaries aim at defining words and explaining their usages in the language.
D、Special dictionaries concentrate on a particular area of language or knowledge.
【正确答案】：A
【题目解析】：本题主要考查单语词典。单语词典是由一种语言写成的。所以，答案为A。