Answer:
The correct option is : b. selfless helping of others
Step-by-step explanation:
Prosocial behavior is a type of social behavior. It is described as the intention to benefit others.
Altruism is a form of prosocial behavior. It is described as a selfless concern for the well-being of others. The principle of altruism helps an individual to lead a quality life. It is also a core aspect of various traditions, religions and cultures.
Therefore, altruism is motivated by selfless helping of others.