I didn't read giver can you help me with this?

Why is Jonas not permitted to apply for release?

AIf Jonas left the community, all the valuable time and money spent on his training would be wasted
BIf Jonas left the community, all of the Committee of Elders would die of broken hearts because they love him so much
CIf Jonas left the community, all the memories he had accumulated would enter the minds of the citizens and create chaos
DIf Jonas left, the Giver would be lonely