For which of the following dependence of drift velocity \[{{v}_{d}}\]on electric field E, is Ohm's law obeyed?

For which of the following dependence of drift velocity \[{{v}_{d}}\]o

1.	For which of the following dependence of drift velocity \[{{v}_{d}}\]on electric field E, is Ohm's law obeyed?
A.	\[{{v}_{d}}\propto {{E}^{2}}\]
B.	\[{{v}_{d}}={{E}^{1/2}}\]
C.	\[{{v}_{d}}\]= constant
D.	\[{{v}_{d}}=E\]
Answer» E.