Concept:Both comedy and tragedy are forms of drama that follow a sequence of events.
Explanation:In drama, the plot is built around a series of actions that lead to a turning point.
This turning point is known as the climax, the moment of greatest tension or significance.
A tragic hero is specific to tragedy, not comedy.
A happy ending is typical of comedy alone.
A stanza is a poetic term and does not apply to drama.
Therefore, the feature common to both comedy and tragedy is the climax.
Answer:A. climax