Which One of the Following Is Not Applicable to Involute

Which one of the following is not applicable to involute profile

A) The angular velocity ratio when tow involutes are in mesh, is inversely proportional to the size of the base circles
B) No involute has a pressure angle until it is brought in contact with other mating involute
C) Involute is the only tooth form that is not sensitive to centre distance of their base circles
D) The shape of the involute profile is dependent only on the dimensions of the base circle
E) The pitch diameters of mating involutes are inversely proportional to their base circle diameters