单选题
By saying "the fact... challenges explanation", the author means that ______.
A、
no explanation is necessary for such a common case
B、
no explanation has been made up to now
C、
it's no easy job to provide a satisfying explanation
D、
it's high time that an explanation was provided
【正确答案】
C
【答案解析】
challenge原意为“向…挑战”，在此文语境中，则理解为：解释幼儿在短时期内的语言行为是一种大的挑战，说明其很难也就是“要找到充足的解释不是一件容易的事”。故 [C]为最佳选项。
提交答案
关闭