题目内容：
Once upon a time, a great boxer, Tick Black, (Example:_ 0 ) to a restaurant 46 dinner. He took off his coat and 47 it at the door. But he was 48 that someone would take it away, so he took out a piece of paper and wrote on it,"The great boxer, Tick Black, leaves his 49 here, and he will be back 50 a few mi- nutes. " Then he put the paper 51his coat and went to have his dinner. 52 he came back after dinner, he 53 that his coat was not there. But another ,54was left there. Another piece of paper was put on the coat. It said, "A great runner 55 your coat, and he will never come back. " 阅读以上短文,回答题.
第46题入填______ A．with
B．for
C．by
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答案解析：