已知$\overrightarrow{a}=(2,-1,3),\overrightarrow{b}=(-1,4,-2),\overrightarrow{c}=(7,5,\lambda )$，若向量$\overrightarrow{a},\overrightarrow{b},\overrightarrow{c}$共面，则$\lambda =$（   ）

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                                                                                                         滁州西涧
                                                                                          独怜幽草涧边生，上有黄鹂深树鸣。
                                                                                          春潮带雨晚来急，野渡无人舟自横。