As She Is About to Walk into the Grocery Store,Melissa

As she is about to walk into the grocery store,Melissa sees a woman struggling with her groceries.In which of the following cases is Melissa most likely to help this woman?

A) if the woman is a complete stranger
B) if the store is located in an urban environment
C) if Melissa only has a few minutes to make her purchase,and get to work on time
D) if Melissa feels guilty about parking in the handicapped space