No matter what changes have taken place, nobody can the fact that the experiment is a great success.
A. value
B. ignore
C. observe
D. support
网友回答
A. value
(答案→)B. ignore
C. observe
D. support
解析：
这题考查动词辨析：value珍惜，.ignore忽视，observe观察，support支持，根据句意：无论什么改变发生，没有人能忽视事实这个实验是成功的。选B。