10.

What is a soliloquy?

a character making a quick comment to the audience that other characters do not hear

a character having a conversation with one or more of the other characters

a character making a long speech to one or more of the other characters

a character speaking his or her thoughts aloud while alone on stage

The correct answer is: a character speaking his or her thoughts aloud while alone on stage.

A soliloquy is when a character speaks his or her thoughts aloud while alone on stage.