题目

．如图，已知D，E分别是△ABC的AB， AC边上的点， 且S四边形DBCE＝1∶8，那么 等于(     )    A．1∶9             B．1∶3             C．1∶8            D．1∶2 答案：B ________ his way to the school, he found a wallet and then he handed it to the teacher．A.OnB.InC.AtD.By