Chiwe Is a Graduate Student Whose Major Area of Interest

Chiwe is a graduate student whose major area of interest is social psychology.In which of the following would you expect that Chiwe is most interested

A)  how people relate to each other and influence each other 
B)  the internal factors that lead people to act consistently across a variety of situations 
C)  the ways in which physical or genetic factors influence and determine behaviour 
D)  the ways in which behaviour and mental processes change over a lifetime