Suppose that population grows by 2 percent. For the standard of living to rise, which of the following must occur? ( )

A、NominalGDPmustgrowbymorethan2percent.;
B、RealGDPmustgrowbymorethan2percent.;
C、RealGDPpercapitamustgrowbymorethan2percent.;
D、consumptionspendingmustgrowbymorethan2percent.