Question

Two or more characters conversing
a. Monologue
b. Dialogue
c. Fluency
d. Argumentation

Answer 1

b. Dialogue is the answer because in a play, there is more than one character and the actors read from the dialogue or script.

Answer 2

  Two or more characters conversing is a dialogue (B).

  It is either a written or spoken exchange between two or more people. The term comes from the greek dialogos. Its roots are "dia: through and logos: speech; reason. The first author who used this was Plato in whose works it is closely associated with the art of dialectic.

  I hope this answer helps.