题目

下列食物链中,正确的是: ( ) A . 阳光→草→兔 B . 田鼠→蛇→山鹰 C . 草→兔→狐→细菌 D . 草→鼠→蛇→鹰 答案:D ---He _____ me $ 50 for my MP3.Shall I seel it? ---Why not?Your MP3 is out of date and it isn't worth so much. A.provided B.supplied C.charged D.offered
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