几个语法问题.1.Nearly driven to extinction by the late nineteenth

几个语法问题.
1.Nearly driven to extinction by the late nineteenth century,the southern white rhino (represents) a great conservation success:since 1885 the population has increased from barely 20 animals to more than 11000.
represent为什么用一般现在是而不用一般过去时呢.
2.That I have little interest in art is not the fault of my parents,(taking) me to art exhibits and galleries from the time I was ten years old.
taking在语法上错在哪里了 应该改成什么?
3.The Environmental Protection Agency has named six winners (of their) Water Efficiency Leader Award,created to encourage innovation in developing products and practices that use water efficiently.
括号里的为什么错了 应该改成什么?