Zoe Believes That Samantha Has Trouble Forming Long-Term Relationships Because

Zoe believes that Samantha has trouble forming long-term relationships because her parents were overly strict and because Samantha inherited a very stubborn personality. Which of the following views is this type of explanation for Samantha's current behaviour most consistent with?

A) Heredity and the environment jointly influence behaviour.
B) Perception is often subjective.
C) Psychology is theoretically diverse.
D) Behaviour is shaped by cultural heritage.