Answer:
Option A- -to provide information about the inner thoughts and feelings of a character
Option B - -to set the mood and tone of the play and provide background information
Option C- -to give some insight into the relationships among different characters
Explanation:
A prologue is a pre/extra information given to the viewers in order to set their mood to look into story of the play exactly in the the way as a writer wants to show them.
Usually a prologue is used -
a) When the background of the scene is to be narrated to the audience
b) When the inner thoughts of a character are to be portrayed in a play
c) when the relationship or association between two characters is to be shown.
d) When a scene from the past is described.
e) When an information is to be given from a different point of view.
Hence, option A, B and C are correct.
