Research on Alcohol Consumption and Attitudes Toward Drink Driving Has

Research on alcohol consumption and attitudes toward drink driving has revealed that ______,

A) drunk participants express stronger attitudes
B) drunk participants express less negative attitudes,but only when the question did not contain a contingent cue
C) drunk participants express less negative attitudes,but only when the question contained a contingent cue
D) drunk participants were less resistant to appeals against the dangers of drink driving