Which Factor Does Not Account for the Low Rate of Alcohol/drug

Which factor does not account for the low rate of alcohol/drug misuse for the Asian/Pacific Islander group?

A) ​national database surveys have ignored this group and consistently put Asian/Pacific Islanders in the category of "Other"
B) ​the lack of culturally relevant services which reduces the treatment rate
C) ​methodological weaknesses in the research that has resulted in an underestimation of the levels of substance misuse and dependency
D) ​Asians are the "model minority" without many addiction problems