Which of the Following Statements Concerning Factor Mobility Is FALSE

Which of the following statements concerning factor mobility is FALSE?

A) Land is a mobile resource in an economic sense,because it has many alternative uses.
B) Once it is in place,a factory designed and built for a specific purpose is highly mobile.
C) The allocation of labour tends to depend more on non-monetary considerations than does the allocation of either land or capital.
D) The elasticity of the supply of labour to any particular use is likely to be greater in the long run than in the short run.
E) Factor mobility is an important determinant of economic rent.