Which Rationale Is Given by a Nursing Instructor to Best

Which rationale is given by a nursing instructor to best explain why it is inappropriate to classify Asian Americans as a single culture?

A) Extremes of emotional expression prevent accurate assessment of this culture.
B) Asian immigrants have been reluctant to participate in large-scale cultural research.
C) The small size of this subpopulation makes research virtually impossible.
D) The Asian American population includes individuals from many different cultures and countries.