Which of the Following Statements Is True

Multiple Choice

Which of the following statements is true?

A) Particles of different masses have the same average speed at a given temperature.
B) The larger a molecule,the faster it will effuse.
C) At very high pressures,a gas will occupy a larger volume than predicted by the ideal gas law.
D) For a given gas,the lower the temperature,the faster it will effuse.
E) None of the above statements are true.