Since a specific play was not mentioned, I'll give you my thoughts on the topic of the three-structure play and how it helps to develop a narrative.
Generally, three act structures of plays expose the characters and conflict in the first act, comes to the climax of the story and shows further character development in the second part, and shows the resolution and aftermath of the story or conflict and the 'final form' of the characters involved in the third part.
The answer to this question is A. Mal It comes from the french language ex. Tres mal - meaning very bad. Its most used in greetings like asking how someone is.
You didn't include the answer choices, but a question with the same wording popped up on the quiz I just took and the answer for me was B : They suspect something strange may be going on.