The term "vocabulary" is used in different ways because of all t

The term "vocabulary" is used in different ways because of all the following reasons except that（）.
A、it can refer to the common core of a language
B、it can refer to the total number of the words in a language
C、it can represent all the words used in a certain historical period
D、it can stand for words in given dialect or field
【正确答案】：A
【题目解析】：词汇的含义包括：1.一种语言里所有单词的集合。（Total number of the words in a language.） 2.特殊历史时期使用的单词。（Words used in a particular historical period.） 3.某种方言，书籍，学科的词汇，甚至可以指某个人的词汇量。（All the words of a dialect, a book, a discipline and the words possessed by an individual person.）