Answer:
The sergeant asked the Bishop if any of his silver was missing.
Explanation:
Indirect speech is a way of relaying information without directly quoting the speaker. Usually it is done as a reported speech.
Therefore, the direct speech "my lord, is any of your silver missing? " the sergeant said to the Bishop becomes "The sergeant asked the Bishop if any of his silver was missing."
Charlie notes that he had been "foolish" to "ever have thought that professors were intellectual giants." He realizes that they are simply people, who are "afraid to reveal the narrowness of their knowledge."