单选题
From its experience, the dog found that ______.
A、
only the paper with Mrs. Smith's words on it could bring it meat
B、
the butcher would give the meat to it whenever he saw it
C、
a piece of paper could bring him half a pound of meat
D、
Mrs. Smith would pay for the meat it got from the butcher
【正确答案】
C
【答案解析】
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