Abigail Ran Back into the Burning House to Rescue Her

Abigail ran back into the burning house to rescue her sister,Sophia,but when she found out that her neighbor,Mitchell,was also in the house,she waited for the firemen to arrive and rescue him.According to the study by Fitzgerald and others (2010) ,which statement best explains Abigail's actions?

A) In high-risk scenarios,we are motivated to help anyone.
B) In low-risk scenarios,we are willing to help friends and relatives
C) In all scenarios,we are unlikely to help someone not genetically related to us.
D) In high-risk scenarios,we are more willing to help only our closest relatives.