题目如图,直线l1l_{1}l1∥l2l_{2}l2∥l3l_{3}l3,直线ACACAC分别交l1l_{1}l1,l2l_{2}l2,l3l_{3}l3于点AAA,BBB,CCC,直线DFDFDF分别交l1l_{1}l1,l2l_{2}l2,l3l_{3}l3于点DDD,EEE,FFF,ACACAC与DFDFDF相交于点HHH,如果AB=5AB=5AB=5,BH=1BH=1BH=1,CH=2CH=2CH=2,那么EFDE\frac{EF}{DE}DEEF的值等于( )A.15\frac{1}{5}51B.13\frac{1}{3}31C.25\frac{2}{5}52D.35\frac{3}{5}53知识点:平行线分线段成比例章节:图形的变化 / 图形的相似