Answer:
B. In free verse.
Step-by-step explanation:
A poem with the free occurrence of sound without any restrictions of regular or formal meter and rhyme scheme. It is the literary style that is free from constraints that help the poet to shape to poem according to his desires. It includes natural rhythm and avoids artificial restrictions. However, there are uses some literary devices like rhyme, rhythm, alliteration that the poets feel necessary and that would enhance the impact of the poem but irregularly and informally. This device allows the poets to write with complete liberty without concerning about the meter which leads to the creation of a natural art piece.