我的水平也有限,勉力解答不要见怪。
783.题意为,就算十一月份一直是销售旺季,但是刚刚过去的这个十一月的销量也高得太惊人了
784.C选项是省略了相同的部分,补足应该是 than 【they had 】in a similar period a year earlier. 只需要分辨清楚比较对象就好了,这里是时间比较,就比如,I walk faster today than yesterday. I earn more money today than yeaterday. 如果是用that的话应该是circulation做主语,而不是newspapers