When a ______ comes to be adopted by a population as its primary

When a ______ comes to be adopted by a population as its primary language and children learn it as their first language, it becomes ()
A、creole, pidgin
B、pidgin, creole
C、regional dialect, lingua franca
D、lingua franca, regional dialect
【正确答案】：B
【题目解析】：(P176)解析:当一种皮钦语被某一群体采纳为他们的主要语言,并且儿童们也把它作为第一语言来学习的时候,这种皮钦语就被称为克里奥耳语了。