题目如图,AB⊥ACAB\bot ACAB⊥AC,AD⊥BCAD\bot BCAD⊥BC,垂足分别为AAA,DDD,则图中能表示点到直线距离的线段共有( )A.222条B.333条C.444条D.555条知识点:点到直线的距离章节:未标注