The options of the question are, A) ideas. B) facts. C) proposals. D) hypothesis. E) estimates.
The correct answer is B) facts.
Public opinion can never be any sounder that the facts on which they are based.
When we refer to public opinion, it is the collective opinion on any subject of social interest. It could be true or not. It could be believed to some, not to others. The important consideration is to check the facts of that opinion. That is the key. If we want to know how true o real public opinion is, it has to have the facts that support the opinion. So it is true that Public opinion can never be any sounder that the facts on which they are based.