单选题 Language is a means of verbal communication which can only take place effectively if all the users share a broad understanding of human interaction including such associated factors as nonverbal cues, motivation, and socio-cultural roles.
【正确答案】 A
【答案解析】解析：考查语言的定义和影响语言交际的因素。人们之间的有效沟通会受到语言、肢体语言、社会及文化等因素的影响。