Answer:
c. need; drive
Explanation:
Need: In psychology, the term need is defined as a psychological attribute that arouses an individual or an animal to act towards a particular goal, that gives an organism a direction and purpose towards a specific behavior.
Drive: In psychology, the term drive is defined as a phenomenon that is considered to be as inborn and therefore present at the time of birth in an organism. The drive may include thirst, sleep, hunger, oxygen requirement, avoidance of pain, and companionship, etc.