To our the result of the experiment is much better than we expected.A. reliefB. regrets

问题补充：

To our , the result of the experiment is much better than we expected.

A. relief

B. regrets

C. disappointment

D. sorrow

答案：

(答案→)A. relief

B. regrets

C. disappointment

D. sorrow

解析：To our relief令我们欣慰的是；To our regret令我们遗憾的是；To our disappointment令我们失望的是；To our sorrow令我们伤心的是。句意：令我们欣慰的是，实验结果比我们预料的好得多。故选A。