What idea does the poem reveal?

Reading Comprehension
Read the quoted parts carefully and answer the questions in English. “Because I was happy upon the heath,
And smil’d among the winter’ s snow；
They cloth ‘ d me in the clothes of death,
And taught me to sing the notes of woe.
(From Blake’ s Chimney Sweeper from Songs of Experience) 

What idea does the poem reveal?
【正确答案】：

THE POEM REVEALS THE TRUE NATURE OF RELIGION WHICH HELPS BRING MISERY TO THE POOR CHILDREN. 

【题目解析】：这首诗揭示了宗教的真正本质，它给贫穷的孩子带来了苦难。