When it comes to bringing up children, some people say discipline produces happy, well-b

When it comes to bringing up children, some people say discipline produces happy, well-behaved child.
A. a; the
B. /; a
C. a; a
D. /; the

A. a; the(答案→)B. /; aC. a; aD. /; the解析：discipline是抽象名词，前面不用冠词，表示统称，后面的child是单数形式，a happy, well-behaved child“一个幸福的、行为良好的小孩”，是泛指。全句意思是“当谈到抚养小孩时，有人说纪律能培养出一个幸福的、行为良好的小孩”。

好好学习下