（）and （）often define each other, thus forming an important context clue.
A.Antonymy；synonymy B.Hyponymy；homonymy C.Superordinates；subordinates D.Lexical words；grammatical words正确答案C
（）and （）often define each other, thus forming an important context clue.
A.Antonymy；synonymy B.Hyponymy；homonymy C.Superordinates；subordinates D.Lexical words；grammatical words正确答案C
