[求助]大全 767

1.        The increased popularity and availability of televisions has led to the decline of regional dialects, language variations which originate from diverse ethnic and cultural heritages and perpetuated by geographic isolation.

(A) which originate from diverse ethnic and cultural heritages and perpetuated

(B) that originated from diverse ethnic and cultural heritages and perpetuated

(C) originated from diverse ethnic and cultural heritages and perpetuated

(D) originating from diverse ethnic and cultural heritages and perpetuated

(E) originating from diverse ethnic and cultural heritages and perpetuating

我看了其他同学的解答，但是大家都没有说为什么不能选C。看上去是平行结构，而且逻辑上面好像也蛮合理的呀。请哪位NN给解答一下好吗？先谢了~~！！！