Which Is Correct About the Density of Humid Air

Multiple Choice

Which is correct about the density of humid air?

A) 0.802 m³/kg
B) 4.186 kg/m3 at 21^oC, 60% relative humidity
C) 1.013 kg/m3 at 20^oC, sea level
D) 1.205 kg/m3 at 20^oC, 1013.25 mb
E) 5.67 kg/m³