The answer is C. This is because the other choices involve experiences
(most during childhood a significant phase in humans
development) that are environmental factors that impact on the human personality.
In choice C, there is little development since its adulthood phase and on the other hand, refusing to display warmth and emotion is
not an experience.
It would help you know how they all work together like how the musicular system helps the digestive system during digestion
B. Group number
For example, Sodium(Na) is in Group 1 and Na^+ has a charge of +1.
They have more little impact because they are renewable