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题目内容
（石家庄铁道大学-大学英语二）
Only later ______ his notebooks, which contained details of all his thefts.
A、 they came across
B、 did they come across
C、 they had come across
D、 had they come across
A、 they came across
B、 did they come across
C、 they had come across
D、 had they come across
参考答案