Final answer:
Walt Whitman's feelings about death can be described as curious. In his poetry, he approaches death with a sense of wonder and seeks to understand its meaning.
Step-by-step explanation:
Walt Whitman's feelings about death can be described as curious (option 3). In his poetry, Whitman often explores the concept of death and its significance. He contemplates the mysteries of death and the afterlife, but he does not express fear, seduction, or petrification towards death. Instead, he approaches it with a sense of wonder and curiosity, seeking to understand its meaning in the grand scheme of life.