Which Description of the Clausius-Clapeyron Equation Is False

Multiple Choice

Which description of the Clausius-Clapeyron equation is false?

A) graphing the equation produces a slope equal to -DH_vap/R
B) based on the nonlinear increase in vapor pressure with increasing temperature
C) used only for calculating the enthalpy of vaporization of a substance
D) predicts a linear relationship between lnP and 1/T
E) can help determine the vapor pressure of a substance at different temperatures.