Concept:A dramatist is a playwright, meaning a person who composes plays.
Explanation:The word “dramatist” refers to the author or creator of a dramatic work.
This person writes the script, dialogue, and stage directions for a play.
Among the given options, “writes” is the action that defines a dramatist.
Directing, commissioning, or promoting plays are related roles, but they are not the core work of a dramatist.
Therefore, the most correct completion is “writes”.
Answer:A. writes