Drinking cold lemonade refreshed me. what type of sentence is it?

Which of the following excerpt from part one of trifles suggest that mrs.hale believes mrs.wright may have had a motive for killing her husband?

Could someone me with this question?

What is dialogue? a. conversations that takes place between characters b. directions left by the playwright on a script c. instructions that indicate actors' stage positions d. the props that represent a play's physical location