请徐璐老师解答，这题不知道怎么选

D的错误原因可以理解为 因为后一个river有一个the，所以有可能引起误解：是同一个river？

DE的区别 Unlike many United States cities, where a river is no longer the focal point of urban life, the river in San Antonio winds through the middle of the business district, and the River Walk, or Paseo del Rio, is the city's most popular attraction. Unlike many United States cities, where a river is no longer the focal point of urban life, the river in San Antonio Unlike the river in many cities in the United States, which is no longer the focal point of urban life, in San Antonio the river Today the river in many cities in the United States is no longer the focal point of urban life, unlike San Antonio, where it In few United States cities today, a river is the focal point of urban life, but the river in San Antonio No longer do many cities in the United States have a river as the focal point of urban life, but in San Antonio the river