In the International Arena, the Greatest Problem in Sampling Stems

In the international arena, the greatest problem in sampling stems from the

A) lack of adequate demographic data from which meaningful samples can be drawn.
B) lack of expertise in designing sampling layouts for a nondomestic market.
C) higher probability of foreign government intervention in the sampling process.
D) inability of international market researchers to speak foreign languages.
E) difficulty in determining sample size suitable for the relevant foreign market.