Read the excerpt from "The Charge of the Light Brigade." "Forward, the Light Brigade!"

Was there a man dismay’d?

Not tho’ the soldier knew

Some one had blunder’d:

Theirs not to make reply,

Theirs not to reason why,

Theirs but to do and die:

Which choice is the rhythm in the poem?

1.DUM da da DUM da da
2.da da DUM da da DUM
3.da DUM DUM da DUM DUM
4.DUM DUM da DUM DUM da