The Principle Of Matter. What he means by this is that he knows he should not have done what he did. (Or so I have found out. Hope this helps!) :0
The answer would be D. Jonah was prepared for his summer advent. A Lists more things that he'll do, rather than ending the paragraph. B has nothing to do with the paragraph. C is when is about to end the passage before it even started. D tells the reader that the list is ending, while telling them that he is prepared for summer camp. I hope this helped ^^
What about everlasting love ?