题目

如图，在□ABCD中，E是BC的中点，且∠AEC=∠DCE，则下列结论不正确的是_______ A、S△AFD=2S△EFB      B、BF=DF      C、四边形AECD是等腰梯形      D、∠AEB=∠ADC 答案：A_____the activities might seem childish, actually they require a lot of strength and determination.A．SinceB．AlthoughC．BeforeD．If