Okay, so this is a little hard to answer when you do not have the excerpts, but I will try my best to work a answer out of the headings. I think your answer would be C. It makes sense, the info that comes after the titles, so If I were you I would go with C.
I hope that helps.
Answer:
The answer is B photosynthesis
Hope it helps!
Answer: what the question here?
Explanation: u only mentioned some names
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Because he is having problem in buisness it is not appropiate because she asks what is his problem not how is he doing.
hope this helps