Which of the Following Describes the Relations of Right-Wing Authoritarianism

Which of the following describes the relations of Right-Wing Authoritarianism (RWA) and Social Dominance Orientation (SDO) with ethnocentric attitudes?

A) Neither RWA nor SDO is substantially correlated with ethnocentrism.
B) Only RWA is substantially correlated with ethnocentrism.
C) Only SDO is substantially correlated with ethnocentrism.
D) Depending on the country,either RWA or SDO can be substantially correlated with ethnocentrism,but never both.
E) Both RWA and SDO are substantially correlated with ethnocentrism.