What is the rhyme scheme of this poem?

Question

I'm a little teapot,
Short and stout.
Here is my handle,
Here is my spout.
When I get all steamed up
Hear me shout,
Tip me over and
Pour me out!

a. a, b, c, a, b, c, a, b
b. a, b, c, b, d, b, e, b
c. a, g, k, l, q, z, y, o
d. none of the above

Answer 1

b. a, b, c, b, d, b, e, b