Question

What is the effect of the changing rhythm in the excerpt?
"What can it avail
To drive forth a snail,
Or to make a sail
Of an herring’s tail;
To rhyme or to rail,
To write or to indict,
Either for delight
Or else for despight;
Or books to compile
Of divers manner of style,
Vice to revile
And sin to exile;
To teach or to preach,
As reason will reach?"
It emphasizes the changing tone throughout the poem.
It focuses on the different subjects of the poem.
It suits the rhythm to the different rhymes in the poem.
It emphasizes the sense of whimsically changing the subject.