Supply of land in a given use ?

Supply of land in a given use ?

A. will be perfectly inelastic in the long run. but upward slog in the short run
B. is perfectly inelastic since there is a fixed amount of land
C. is perfectly elastic since there is fixed amount of land
D. will be upward slog because as land becomes more valuable in once use, the amount of land made available for that use will increase