To Say That Land Rent Performs No Incentive Function Means

To say that land rent performs no incentive function means that

A) higher rental payments will not bring forth a larger quantity of land.
B) rent is not a cost to specific firms, but it is a cost from the standpoint of the economy as a whole.
C) rent does not allocate land in terms of productive efficiency.
D) rent tends to allocate land into the most productive uses.