Simple MCQ (7.x-1.0-alpha1) - en to unknown language translation catalogue (6 entries)

en: Feedback
target: 反馈

en: Choose
target: 选择

en: Choose one
target: 选择一个

en: Correct
target: 正确

en: Quiz Question
target: 竞赛试题

en: Random order
target: 随机顺序
