In which of the following cases was the inflation rate 12 percent over the last year?

A、 One year ago the price index had a value of 110 and now it has a value of 120.;
B、
One year ago the price index had a value of 120 and now it has a value of 132.;
C、One year ago the price index had a value of 134 and now it has a value of 150.;
D、 One year ago the price index had a value of 145 and now it has a value of 163.