At what age are children able to distinguish ________ right and wrong?

At what age are children able to distinguish ________ right and wrong?

A.among

B.during

C.with

D.between

答案及解析： D

解析：

考查介词用法。句译为：孩子们在什么年龄可以辨别是非?right and wrong是两者，所以用between。