* 출처 : http://www.youtube.com/watch?v=05LB6iyR7_0&feature=share 라울선생님의 토익점수의 제곱상승 토익 어휘 실전 (Vol.7) 91.토익 어휘 실전 문제 46회 469. Every customer visiting the shopping mall can decide ___ can be done about the problem related to the small parking space in the form of questionnaires. (A) what (B) who (C) which (D) that