I bought the train tickets at the station easily during the spring rush, though of them

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A. nobody; expected
(答案→)B. none; had expected
C. nobody; had expected
D. none; expected
解析：B 考察代词和时态。句意：我在春节高峰期很容易就买到了火车票，尽管没有人能够预料到。None后面接of，而nobody不可以；expect动作发生在bought之前，表示过去的过去，因此使用过去完成时。