When darley and latané exposed participants to a faked seizure in one of three experimental conditions (participants were lone witnesses, one of three witnesses, or one of five witnesses), they found that select one: a. although participants who believed they were lone witnesses took longer to , more of them did eventually than in the other conditions b. when lone participants thought the experimenter also overheard the seizure, they took longer to c. participants who thought they were lone witnesses more and faster d. is not substantially reduced when the number of witnesses increases from two to five