What Was Found in a Study of Prejudice and Galvanic

What was found in a study of prejudice and galvanic skin responses?

A) People who were high in ethnocentrism were likely to have a higher galvanic skin response in the presence of a black subject.
B) People who were low in ethnocentrism were likely to have a higher galvanic skin response in the presence of a black subject.
C) Ethnocentrism appeared to be unrelated to galvanic skin response.
D) People who were high in ethnocentrism had a higher galvanic skin response irrespective of the colour of the subject.