According to Family Studies, Which of the Following Findings Is

According to family studies, which of the following findings is true concerning the relatives of people with substance-related disorders?

A) They are 15 times more likely to have a substance disorder than the relatives of people with no substance-related disorders
B) They are 8 times more likely to have a substance disorder than the relatives of people with no substance-related disorders
C) They are equally as likely to have substance-related disorders as the relatives of people with no substance-related disorders
D) They are twice as likely to have a substance disorder as the relatives of people with no substance-related disorders