单选题
With good leaders, ______.
A、
rats killed thousands of Asians and Africans
B、
rats carry diseases on to the moon
C、
rats survive the poison food
D、
rats eat millions of tons of grain each year
【正确答案】
C
【答案解析】
[分析] 见文章的最后一段“They have good leaders．Men try to poison them．．．they do not eat it.”。
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