Final answer:
Eudora Welty is known for using realistic dialogue in her stories such as 'Petrified Man,' where she creates authenticity and brings characters to life through their conversations. This technique is a key aspect of her storytelling.
Step-by-step explanation:
Eudora Welty in her story Petrified Man utilizes d) Realistic dialogue. This approach to storytelling creates authenticity and allows the characters to come to life through their conversations. For instance, in A Worn Path, the character of Phoenix Jackson is vividly brought to life through dialogue that illustrates her inner strength and determination.
Realistic dialogue anchors Welty's narrative in a relatable and tangible world, making her characters and their experiences more accessible to the reader.
Tennessee Williams's style is often referred to as poetic realism, which is an approach that blends realistic settings with poetic, emotional undercurrents. In Williams's works, like A Streetcar Named Desire, characters are portrayed with a depth that goes beyond strict realism, capturing the complexities of human emotion.
Therefore answer is c) Symbolism.