I am a teen

I stand between
My childhood
And my youth

I am a teen
Yes, I am keen
About my world
And yours, too

I am a teen
How I have been
Waiting to be
My own being

I am a teen
As you have seen
But much more
Than it may seem

What is the rhyme scheme of this poem?
A.
Only the odd lines rhyme with each other.
B.
Every pair of lines rhymes in every stanza.
C.
Every other line rhymes with each other.
D.
The first pair of lines in each stanza rhymes.