Which Statement Is True of the Ideal Gas Constant, R

Multiple Choice

Which statement is true of the ideal gas constant, R, and the Boltzmann constant, k_B?

A) R/k_B = Avogadro's number.
B) They both have units of J .mol^-1 .K^-1.
C) k_BR = Avogadro's number.
D) k_B/R = Avogadro's number.
E) 8.3145 J is not equivalent to 0.082058 L . atm.