单选题 [Focus on the type of semantic opposition]
A. awake-asleep B. inside-outside C. teacher-student D. right-left

【正确答案】 C
【答案解析】[解析] 从反义词的类型看,只有C项属于关系反义词(relational opposites),而其他三项都属于互补性反义词(complementary opposites)。