Which of the Following Assumptions Was NOT Pivotal to the Evolution

Which of the following assumptions was NOT pivotal to the evolution of theories about attitude?

A) There is a distinction between a belief and an attitude: an attitude always conveys an evaluation, whereas a belief does not.
B) Attitudes help to account for correlations between different kind of responses across cognitive, affective and behavioural domains.
C) Social theorists assume that attitudes depend exclusively on learned experience.
D) Attitudes have a predictive or even a causal relationship to behaviour.
E) There is a genetic contribution to attitudes.