Is this a run-on sentence?
ms. livingston, an interior designer, asks her clients to fill out a design
questionnaire she uses it to get a sense of their personalities and style
preferences.
yes
no

Yes. It should be written like this - "Ms. Livingston, an interior designer, asks her clients to fill out a design  questionnaire. She uses it to get a sense of their personalities and style  preferences."

the answer is a) an evil antagonist character who only makes others suffer.because that is the main thing antihero's do like the joker. hope this .