The ground under towing oaks is often littered with thousands of half-eaten acorns, each one only bitten from the top. Why would

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问题 The ground under towing oaks is often littered with thousands of half-eaten acorns, each one only bitten from the top. Why would any animal waste so much time and energy and risk exposure to such predators as red-tail hawks?

选项 A、covered
B、displayed
C、fertilized
D、planted

答案B

解析 littered with意为“乱丢”。
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