Prep－Section 2- 11 it指代的请教

Nine months after the county banned jet skis and other water bikes from the tranquil waters of Puget Sound, a judge overturned the ban on the ground of violating state laws for allowing the use of personal watercraft on common waterways.

(A) of violating state laws for allowing

(B) of their violating state laws to allow

(C) that it violates state laws that allowed

(D) that it violated state laws allowing

(E) that state laws were being violated allowing

用排除法可知答案是D，但是我有一个问题就是D当中的it指代什么东西呢？难道是指代前面被ban的整个事情？但是it 不是不能指代整件事情的嘛？想不明白了又

要命了，没有看到the judge overturned后面的东西竟然

多谢