请教大全－15

              A new phenomena, which is visible at Managua’s major intersections, are waves of vendors and beggars, which include many children and mob cars at the stoplights.

(A) A new phenomena, which is visible at Managua’s major intersections, are waves of vendors and beggars, which include many children and

(B) Visible at Managua’s major intersections are waves of vendors and beggars with many children, new phenomena that

(C) A new phenomenon visible at Managua’s major intersections is waves of vendors and beggars, many of them children, who

(D) Phenomenally new waves of vendors, beggars, and many children are visible at Managua’s major intersections, which（C）

(E) A wave of vendors and beggars, many of whom are children, are  visible at Managua’s major intersections, where they are a new phenomenon and

本题答案是C，但是不明白的是many of them children和vendors and beggars之间是什么关系，who引导的从句到底是修饰前者，还是后者。请NN指点一二。谢谢

同位语,同时也是插入语,所以那个who修饰vendors and beggars

个人看法：

many of them children是代词+名词的独立主格，进一步说明vendors and beggars，可以理解为插入语，who修饰vendors and beggars