Final answer:
The poem "Laughing Song" features a regular rhyme scheme.
Step-by-step explanation:
From the given options, the correct answer is c. Only "Laughing Song" features a regular rhyme scheme. In the poem "Laughing Song," there is a consistent and regular pattern of rhyming words throughout the stanzas. This is evident in lines such as "But our sun it has ripened our raisins," where the words "has" and "raisins" rhyme.