Identify the poet and the poem from which the lines are taken.

Reading Comprehension 
Read the quoted parts carefully and answer the questions in English.
Wherefore feed and clothe and save
From the cradle to the grave
Those ungrateful drones who would 
Drain your sweat — nay, drink your blood?
Identify the poet and the poem from which the lines are taken.
【正确答案】：

PERCY SHELLEY'S MEN OF ENGLAND.

【题目解析】：引文选自雪莱的《致英格兰人之歌》。