Answer:
worried is the answer that u need
The correct option is this: A WORK THAT TEACHES A LESSON THROUGH THE USE OF ALLEGORICAL CHARACTERS.
Morality play is a type of play which make use of allegorical characters who have personified abstract qualities. Such play were popular in the 15th and the 16th centuries and their normal contents is typically lessons about good conductors and characters.
D. engrossing is something attention grabbing, as in to be engrossed in something