This question is based on the following poem.

     How Doth the Little Crocodile

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

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



18. What is the rhyme scheme in "How Doth the Little Crocodile"?

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