D. interjection.
An interjection is a word used to state emotion, whether scared, angry, or excited, and is usually placed at the beginning of a sentence.
Answer:
Experiments reveal that human behavior is greatly influenced by humans' desire to fit in.
Technology. Technological innovation represents the central source of society's problems in Fahrenheit 451. Throughout the book, Bradbury treats technology as inherently anesthetizing and destructive. In the prehistory of the novel, technology played an important role in the social decline of reading.