Which of the following statement has the same meaning as the facts speak only when the historian calls on them?

A.Comment is free, but facts are sacred.

B.A fact is like a sack—it won’t stand up until you put something in it.

C.Accuracy is a duty, not a virtue

D.Noun of the above.

正确答案：A fact is like a sack—it won’t stand up until you put something in it.