有劳各位高人!谁能帮忙解释一下,这道题为什么选C呀?我怎么都看不懂啊?

15. A new phenomena, which is visible at LACE>ManaguaLACE>’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 LACE>ManaguaLACE>’s major intersections, are waves of vendors and beggars, which include many children and

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

(C) A new phenomenon visible at LACE>ManaguaLACE>’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 LACE>ManaguaLACE>’s major intersections, which

(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