I believe that the answer could be D. I hope this helps
By explaining problems and giving solutions! this is the best fit because the other two might make sense at a first glance, but only explaining problems and solutions would be an effective way to teach people how to set up an aquarium by giving them examples of what to do and what not to do whereas the others are just him talking about his aquarium.
Which sentence from the passage foreshadows that the audience liked Mark's performance?
Select one:
None of them appeared as nervous as he felt.
Mark waited for the applause for the previous performer to fade away.
Mark searched for an abandoned corner where he could be alone for a moment.
He saw their enthusiastic smiles, and he smiled back.
Answer:
He saw their enthusiastic smiles, and he smiled back.
Explanation:
Foreshadowing is a literary device that is usually used by a narrator to give an indication of what would happen in future.
The sentence from the passage that foreshadows that the audience liked Mark's performance is "He saw their enthusiastic smiles, and he smiled back"
Explanation:
Describe a place that you have recently visited