Final answer:
A dialogue is used to enhance relationships, show stability, and build rapport between characters in literature and film. It involves a conversation between two or more characters and is contrasted with a monologue or a soliloquy, which involve only one character speaking. The correct option is b.
Step-by-step explanation:
The type of dialog that is used to enhance relationships, show stability, and build rapport is a Dialogue. A dialogue is a conversation between two or more characters which can reveal aspects of their relationships and contribute to building emotional connections between them.
Unlike a monologue or soliloquy, which involve only one character speaking, dialogue involves multiple characters and is essential to developing character relationships and advancing the plot in both literature and film.
Good dialogue often highlights the dynamics between characters. For instance, characters engaging in a conversation can show whether they have a friendly, contentious, or indifferent relationship with one another. It's through these interactions that characters can build rapport with each other and demonstrate the stability of their relationship.
Hence, Option b is correct.