Query about Question 9 from "(I'm Overwhelmed) Arithmetic Progress Quiz #8" [7023]. Isn't it 0?

https://www.gregmat.com/quizzes/quiz/im-overwhelmed-arithmetic-progress-quiz-8 (Question 9)


I’m thinking that 0 can also be an answer, since every number multiplied by 0 is 0, and 0 is smaller than 333

Is 0 positive?