In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best express the same sentence in Indirect/Direct speech.
The policeman said, "I saw a knife here."

A

The policeman exclaimed that he had seen a knife here.

B

The policeman said that he had seen a knife there.

C

The policeman said he had seen a knife here.

D

The policeman told he had seen a knife there.