Final answer:
Ralph calms and secures the littluns, whereas Jack intimidates and frightens them.
Step-by-step explanation:
When comparing Ralph's treatment of the littluns with Jack's, the correct answer is A. Ralph tries to calm their fears and give them a sense of security, while Jack intimidates and frightens them. This is evident from their respective approaches to leadership and interaction with the younger children in William Golding's novel Lord of the Flies.