Consider the Following Conditional Statements

Multiple Choice

Consider the following conditional statements:
(1) If there is a D on one side of the card,then there is a 3 on the other side.
(2) If you drink alcohol,then you must be over 21 years old.
According to Cosmides (1984) ,people understand conditional statements when they involve social exchange information (2) better than they understand more abstract information (1) because

A) social exchange situations involve the detection of potential cheaters,which is a skill we have evolved.
B) social exchange situations produce less processing load in working memory than do purely descriptive or abstract versions.
C) conditional logic is less important in social exchange situations than in abstract situations.
D) social exchange situations in which conditional logic is important are less common than abstract situations in which conditional logic is important.