题干
Mo Yan's books have been sold out(卖光) in many bookstores __________ his winning of the Nobel Literature Prize (诺贝尔文学奖).
A：because
B：since
C：as
D：because of
答案(点此获取答案解析）
D
个得分去掉
个最高分，去掉
个剩余分数的平均分为
，现场做的
表示：
