单选题：Which of the following does the writer cite as a source of m

题目内容：

Which of the following does the writer cite as a source of moral void? A．Official corruptio
B．Social injustic
C．Family instabilit
D．Racial prejudic

参考答案：

答案解析：

You must try to wipe out the memory of these horrible events

You must try to wipe out the memory of these horrible events．A．strange B．terribl

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