When the stars threw down their spears, And water'd heaven with

When the stars threw down their spears,
And water'd heaven with their tears,
Did he smile his work to see?
Did he who made the Lamb make thee?

Tyger! Tyger! Burning bright
In the forests of the night,
What immortal hand or eye
Dare frame thy fearful symmetry?

Question:
A. Identify the poet of the quoted lines.
B. What's the meaning of the first two sentences?
C. What does the word"Lamb"symbolize?
【正确答案】：A.William Blake.
B. When the smith is hammering the heated metal, the fire sparkles like shooting stars which are often called as angles'tears' by children.
C.Symbol of peace and purity.