A:历史专著中对“南京大屠杀”的描述
B:侵华日军老兵的回忆录
C:屠杀现场遗迹与当时摄制的新闻照片
D:当年幸存者的控诉材料
They saw the missing boy ______ near the river at that time.
____
汹涌
堤岸
崩溃
驯服
绚丽
竖琴
催促
波纹