When It Comes to Measurements, Which of the Following Are

When it comes to measurements, which of the following are TRUE?

A) Market researchers measure objects, not their attributes.
B) The definition of "measurements" is narrow, specifying how numbers will be assigned.
C) We could measure a person's income, age, gender or attitude toward something using a scale of 1-5.
D) The qualities of attributes being measured dictate the rules for how numbers are assigned.
E) All of the above are true.