A song sung at a burial

The correct answer is C. Dirge.

A dirge is a song or poem of mourning, especially one sung or recited at a funeral. It is typically slow and solemn, and may express grief, loss, or hope for the afterlife.

An elegy is a poem of mourning for a dead person. It is often written in a formal style, and may express grief, loss, or praise for the deceased.

An ode is a poem that praises or celebrates something or someone. It is often written in a formal style, and may use figurative language to express its praise.

A ballad is a narrative poem that is typically sung. It is often about a tragic or romantic event, and may be accompanied by music.