【阅读判断】Despite other explanations, the real answer in my opinion lies partly in the child himself, partly in the behavior of the people around him.
Q: The reason why children learn their mother tongue so well lies solely in their environment of learning.
A、True
B、False
C、Not Given
【正确答案】：B
【题目解析】：答案选B。原文说的是儿童之所以能够完全掌握母语部分原因在于儿童自身，部分原因在于孩子周围人们的行为。问题句说“儿童母语学得好的原因只是因为他们的学习环境。”此处solely的表述是错误的。
