The Prediction of Linearity in a Van 'T Hoff Plot $\Delta$

The prediction of linearity in a van 't Hoff plot assumes ________

A) that the reaction is run under ideal conditions.
B) that $\Delta$ H ^$\circ$ and $\Delta$ S ^$\circ$ are independent of temperature.
C) that $\Delta$ G ^$\circ$ is independent of temperature.
D) that ln K is independent of temperature.
E) none of the above.