A. control over the price of power B. necessity of removing price caps C. hiking the energy prices in California D. a regulation concerning power supply 参考答案:A 答案解析:[解析] 依据第一段,加州人要求to cap spot market prices(控制现货市场价格),但联邦管理者拒绝了,可知A项正确;B“取消价格控制的必要性”;C“提高加州的能源价格”;D“对电