A child who lives in an uninteresting environment will develop less intelligence than who lives in a rich and changing environment.
A. the one
B. one
C. those
D. that
网友回答
A. the one
(答案→)B. one
C. those
D. that
解析：代词考查题。One代指可数名词单数相当于a +名词的作用。句意：在一个没有兴致的环境中长大的孩子智商低于在富于变化的环境中长大的孩子。