Concept:Jesus Christ summarised the law by giving two great commandments, and the second one focuses on loving others around us.Explanation:Jesus taught that the greatest commandment is to love God with all your heart, soul, and mind.The second most important commandment is to love your neighbour as yourself.So, the second commandment is not about the Holy Spirit, God Himself, or religious leaders.It is specifically about loving neighbours.Answer:C. neighbours.