[单选题]Which term can be used to best describe the relationship between the underlined adjectives in "Unlike her gregarious sister, Jane is an unsociable person."?
A
Synonym
B
Antonym
C
Homonymy
D
Polysemy
正确答案：B
题目解析
反义词可定义为意义相反的词。题干中的例句：Unlike her gregarious sister, Jane is an unsociable person.（简不像她爱交际的姐姐，她是个不善于交际的人。）gregarious表示的是“善于社交的/爱社交的”，unsociable表示的是“不善于社交”，它们意思相反。
