Read the passage.
 Roses are red, 
 Violets are blue. 
 Please don’t kiss me, 
 I have the flu. 
 Roses are red, 
 Violets are blue. 
 Please don’t come near me, 
 I might sneeze on you.
 Which sound device is expressed by the words Roses are read violets are blue?
 A rhyme
 B refrain
 C alliteration
 D rhythm