Which of the Following Shortcomings Is Typically Faced by Foreign

Which of the following shortcomings is typically faced by foreign marketers with respect to primary research?

A) The results of a marketing research conducted by a foreign firm are rarely reliable.
B) Local research agencies are typically not willing to work for foreign marketers.
C) International marketing research is severely restricted by government laws.
D) International marketing research is extremely complicated, time consuming and costly.
E) Consumers may not be willing to respond to international research surveys.