What is the rhyme scheme in the poem "How Doth the Little Crocodile"?Please Help!?

Question

A. AABB CCDD C. ABAB ABAB
B. ABBA ABBA D. ABAB CDCD

Answer 1

Here's an example that shows what a rhyme scheme is:
http://www.millikin.edu/aci/crow/basics/frost3.html

How Doth the Little Crocodile'

'How doth the little crocodile (a)
Improve his shining tail, (b)
And pour the waters of the Nile (a)
On every golden scale! (b)

How cheerfully he seems to grin (c)
How neatly spreads his claws, (d)
And welcomes little fishes in, (c)
With gently smiling jaws!' (d)

~Lewis Carroll
1832 - 1898

Answer: D. ABAB CDCD