Which Statement Is Not Correct Concerning International Marketing and the Use

Which statement is not correct concerning international marketing and the use of comparative scaling techniques?

A) Respondents in many developed countries,due to higher education and consumer sophistication levels,are quite used to providing responses on interval and ratio scales.
B) In some developing countries,preferences can be best measured by using ordinal scales.
C) Opinion formation may not be well crystallized.
D) None of the above statements are incorrect.