Answer:
B. "'Supposing we were to take the children who are walking past, one by one, hoist them up with a fishing rod...'"
Explanation:
Optimistic pertains to something in the future, sometimes hypothetic. Since the word "Supposing" is hypothetical, something that might or might not happen in the future, you would go with this answer.
I hope this is correct, and as always, I am joyous to assist anyone at any time.
Answer:
1. Make an observation.
2. Ask a questions
3. Form a hypothesis, or testable explanation.
4. Make a prediction based on the hypothesis.
5. Test the prediction.
6. Iterate: use the results to make new hypotheses or predictions.