The Hypothesis That There Is a Genetic Component to Some

The hypothesis that there is a genetic component to some attitudes would be supported by all but which finding?

A) Attitudes of identical twins are more similar than those of fraternal twins.
B) Adults who shared certain physiological characteristics also hold common political beliefs.
C) When asked about attitudes for which there seems to be a genetic predisposition,research participants are quicker to respond to questions and less likely to alter their views toward social norms.
D) The human genome project has identified specific genes that are responsible for the ability to hold positive or negative attitudes.