Concept:A pastoral poem idealizes and celebrates the peace and beauty of simple country life.
Explanation:A pastoral is a poem that portrays rural life in an idealized manner, often focusing on shepherds, nature, and the countryside.
It contrasts with city life by praising the simplicity and innocence of rural settings.
A dirge is a mournful poem for the dead.
An ode is a formal poem of praise for a person or event.
An epic is a long narrative poem about heroic deeds.
Therefore, the poem that celebrates simple country life is a pastoral.
Answer:D. A pastoral