For a Scale to Have Ordinal Properties, Which of the Following

Multiple Choice

For a scale to have ordinal properties, which of the following must be established?

A) If "a" is greater than "b," then "b" is not greater than "a."
B) If "a" is greater than "b" and "b" is greater than "c," then "a" is greater than "c."
C) If "a" is equal to "b" and "b" is equal to "c," then "a" is equal to "c."
D) All of the above.
E) None of the above.