It is connecting Subjects
<span>passionately curious all your life</span>
Without reading what ever story this was from, I would say the logical answer or the answer that would the most sense is D
Answer:
I do not know exactly what you are writing about, but here are some great starters for conclusion sentences for 4th or 5th graders:
In conclusion...
Based on these facts, we can infer...
Altogether...
Without a doubt...
Although...
Hope this helps!