第39题: [单项选择]The word bird used to mean "young bird"; today it means "any kind of bird". This is called ______ in terms of semantic change. A. broadening B. narrowing C. meaning shift D. class shift 参考答案:A 答案解析:[详细解答] bird的意思从“小鸟”到“任何一种鸟”,显然符合词义扩展的规律,即中心意思未变,但所指范围扩大了。