On the Whole, Studies of Predispositional Variables Have Shown That

On the whole, studies of predispositional variables have shown that:

A) a 'competitive' person seems to act competitively regardless of the behaviour of others
B) keeping gender, age and culture aside, some people are still more predisposed to cooperation than others
C) predispositional effects are generally overridden by the effects of the structure of the situation
D) all of the above
E) none of the above