大全section b-15

15.   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

I chose A. the answer is D.

a很明显是错的，GMAT中，which永远不能跟直接跟在先行词后面，一定要用逗号隔开

d中，originating和最后的perpetuated并列，而diverse ethnic and cultural heritages并列