Well, since C is the only example where a positive thing happens, then it is certainly not a potential problem, so 'they can provide a lot of energy for people to use' is the correct answer. The other examples are problematic.
Answer:
The effect it had was that he was sick of moving around so much.
Maybe you should kill off one of the characters to dig into the emotions of the other characters
The answer is : A bright teenage girl, Anne uses her writer's voice to show her experiences. Her mood changes throughout the text depending on what she is feeling. The mood at the beginning is tense and frightened, but as Anne settles into life in the annex, the mood becomes more relaxed and hopeful. Still, life in the annex is difficult, and the mood of the diary shows Anne's changing feelings.
Hope this Helps!!!
B)The start of the story emphasizes the fact that “everybody was finally equal.”