Final answer:
Dr. Martin Luther King Jr. suggested that people could be more involved in volunteering their time to serve others. He emphasizes the importance of prioritizing the quality of our service relationship to humanity rather than measuring success based on materialistic factors like salaries or automobile sizes.
Step-by-step explanation:
Dr. Martin Luther King Jr. would be suggesting that people could be more involved in c) 'volunteering one's ' time to serve others. He emphasizes the importance of prioritizing the quality of our service relationship to humanity rather than measuring success based on materialistic factors like salaries or automobile sizes. By volunteering and serving others selflessly, individuals can contribute to the betterment of all people and make a positive impact on society.