It is just what it says: the subject alone, stripped from an other words associated with it.
Ex.
The fancy red sports car in my garage is broken.
complete subject = fancy red sports car
simple subject = car
I believe the answer is a stage whisper. A stage whisper is defined as “a loud whisper uttered by an actor on stage, intended to be heard by the audience but supposedly unheard by other characters in the play.”
The answer is B I believe
Superimposed big eyed dressed too formally
Great job ty carrizalws with the win of the century