The economy is in long-run equilibrium. Technological change shifts the long-run aggregate supply curve $60 billion to the right. At the same time, government purchases increase by $30 billion. If the MPC equals 0.8 and the crowding-out effect is $60 billion, we would expect that in the long-run,
选项：

A:both real GDP and the price level would be higher.;
B:both real GDP and the price level would be lower.;
C:real GDP would be higher but the price level would be lower.;
D:real GDP would be higher but the price level would be the same.