In the past few years, so many areas throughout the world have been hit by such destructive earthquakes, snowstorms and tsunamis ______ we have never experienced before, ______ makes us worried a lot about nature disasters.

A. A. that; that      B. as; which         C. which; it        D. when; as

中国人民银行分支行的反洗钱现场检查报告应报上级中国人民银行。