题目如图,直线l1l_{1}l1∥l2l_{2}l2∥l3l_{3}l3,直线l4l_{4}l4,l5l_{5}l5被直线l1l_{1}l1,l2l_{2}l2,l3l_{3}l3所截,截得的线段分别为ABABAB,BCBCBC,DEDEDE,EFEFEF.若AB=4AB=4AB=4,BC=6BC=6BC=6,DE=3DE=3DE=3,则EFEFEF的长是( )A.444B.4.54.54.5C.555D.5.55.55.5知识点:平行线分线段成比例章节:图形的变化 / 图形的相似