In a Study in Which a Confederate Collapsed, Holding Either

In a study in which a confederate collapsed, holding either his chest or his knees, and either in the pathway of a pedestrian or across the street from the pedestrian, it was found that:

A) more people approached to offer assistance in the apparent coronary condition
B) a fat confederate who clutched his chest was more likely to receive aid than a non-obese confederate
C) almost no one offered help in the bad knee condition, regardless of whether the fall occurred in their pathway or across the street
D) both a and b
E) a, b, and c