Source: GMAT Prep
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
The OA is D, why C is not correct ? Please help .. many thanks !