Which of the following is an example of dialogue? A. Act I. Morning-room in Algernon's flat in Half-Moon Street. B. [Lane is arranging afternoon tea on the table, and after the music has ceased, Algernon enters.] C. The room is luxuriously and artistically furnished. The sound of a piano is heard in the adjoining room. D. Algernon. Did you hear what I was playing, Lane?