解析：Which of the following is believed_考试试题_四六级

【单选题】 Which of the following is believed to be the cause of the La Nina phenomenon
A．Heavy rain.
B．Flooding.
C．Cooling of Pacific Ocean waters.
D．Warming of Pacific Ocean waters.

网考网参考答案：C
网考网解析：
本题测试对关于原因的细节内容的理解能力。根据文中最后一句，可知正确答案为C。查看试题解析出处>>