单选题
Why does the author mention "the University of Indiana campus" in line 10-11
A、
To provide evidence that intact acorns are hard to find under oak trees
B、
To indicate a place where squirrels can aid seed dispersal of oaks
C、
To argue in favor of additional studies concerning the destructive force of squirrels
D、
To support the claim that squirrels can do great damage to oak stands
【正确答案】
C
【答案解析】
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