Final answer:
The bright romantic themes in Walt Whitman's poem include the idea of finding the true self in nature and questioning society. His exploration of the American identity also contributes to these themes. option c is answer
Step-by-step explanation:
Walt Whitman's poem explores various themes, including the idea that the true self can be found in nature and that society should be questioned. These themes align with the bright romantic ideas present in his work. One example of the true self in nature can be seen in the lines: 'I loafe and invite my soul, I lean and loafe at my ease observing a spear of summer grass.'
This reflects the romantic belief in the connection between the individual and the natural world. Additionally, Whitman's exploration of society and the American identity in his poems also aligns with the bright romantic themes of questioning established norms and seeking a distinct literary voice. option c is answer