Answer:
D. Conversational
Step-by-step explanation:
Walt Whitman wasn´t the first to use free verse in his poems, but he surely was one of the greatest poets to use this style, he created a voice for himself that portrayed perfect his feelings and how he saw life, and he put that right into his poems, the style that would describe better his poems would be conversational, because when you read them you feel like you are having a conversation with him, like if he was telling you a story.