Ajzen's Theory of Planned Behaviour Suggests That an Individual's Intentions

Ajzen's Theory of Planned Behaviour suggests that an individual's intentions to perform a behaviour (e.g., quit smoking) are influenced by:

A) their attitudes to the behaviour and to the likely consequences.
B) their perceptions of significant others' beliefs and wishes concerning the behaviour.
C) their beliefs about how easy or difficult the behaviour may be to perform.
D) All of the given options are correct.
E) None of the given options are correct.