Which of the Following Is a Possible Explanation for Why

Which of the following is a possible explanation for why many businesses are disenchanted with marketing research?

A) The cost of marketing research is seen as too high.
B) Marketing researchers are unable to communicate clearly with management.
C) Often marketing research is unable to predict future behavior with any degree of accuracy.
D) Often the results of marketing research cannot be measured quantitatively.
E) All of the above are possible explanations for why many businesses are disenchanted with marketing research.