You Are Caring for the Freshwater Aquarium of a Friend

You are caring for the freshwater aquarium of a friend while they are on vacation.You are told to check the pH of the tank and make sure that it stays between 6.5 and 7.0.When you check the water the pH is 8.0.The water in the tank is

A) 1 to 1.5 times more basic than it should be.
B) 1 to 1.5 times more acidic than it should be.
C) 10 to 15 times more basic than it should be.
D) 10 to 15 times more acidic than it should be.
E) 100 to 150 times more basic than it should be.