The poem that has the rhyme scheme AA BB CC is D. "Trees"
The poem, written by Joyce Kilmer, goes like this:
I think that I shall see - A A poem lovely as a tree - A A tree whose hungry mouth is prest - B Against the earth's sweet flowing breast - B A tree that looks at God all day - C And lifts her leafy arms to pray - C A tree that may in Summer wear - D A nest of robins in her hair - D Upon whose bosom snow has lain - E Who intimately lives with rain - E Poems are made by fools like me - A But only God can make a tree - A