The question asks us to complete the translation "Korean Person" but none of the available responses fit. The one that is closest has the Romanized plural particle which would be close to "people" not "person."
Mistake on quiz 3.1

Tony-N6
October 9, 2013

sujung-lee
October 10, 2013
Hi Tony,
Thanks for pointing that out. I've fixed that now - sorry for the confusion!