第7题: [单项选择]________ refers to the learning and development of a language.
A. Language acquisition B. Language comprehension C. Language production D. Language instruction 参考答案:A 答案解析:答案A:language acqisition
答题说明:本题为语言学常识题。
背景知识:语言习得最基本的定义,其余选项一看就不符合题干内容。