The dictionary where the headword or entries are defined and ill

The dictionary where the headword or entries are defined and illustrated in the same language is________ .
A、monolingual dictionaries
B、bilingual dictionaries
C、linguistic dictionaries
D、encyclopedic dictionaries
【正确答案】：A
【题目解析】：题干中提到用词条用一种语言定义和解释的词典，根据定义，确定答案为A。答案依据在课本第184页。