原题
录音 1
Why does the speaker mention churches?
ATo explain how a traditional technique of making stained glass was developed
BTo emphasize the religious significance of stained glass
CTo illustrate an effect of stained glass on large spaces
DTo point out a use of stained glass that he expects listeners to be familiar with
正确答案：D
解题思路
老师暂未填写解题思路。