Which of the Following About Ordinal Data Is TRUE

Which of the following about ordinal data is TRUE?

A) An ordinal scale implies order but not identity.
B) The attribute being measured must possess the ordinal property to allow ordinal scaling that is meaningful.
C) With an ordinal scale we can say the difference between the first and second is the same as the difference between the second and the third.
D) The calculation of means is appropriate with ordinal data.
E) Grade point average is a good example of an ordinal scale.