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 ^^
Answer:
non-count nouns:
astronomy, sunshine, intelligence, water, rain
count nouns:
computer, grammar, dictionary
<span>music and concerts I THINK.
</span>