In the Malthusian model, an improvement in the technology of growing food is likely to

A、Increase the equilibrium size of the population and increase the equilibrium level of consumption per worker.;

B、Increase the equilibrium size of the population and decrease the equilibrium level of consumption per worker.;

C、Increase the equilibrium size of the population and have no effect on the equilibrium level of consumption per worker.;

D、Have no effect on the equilibrium size of the population and increase the equilibrium level of consumption per worker.