A sues B for the price of goods sold and delivered to
B. C says that he delivered the goods to
B. Evidence is offered to show that, on a previous occasion, he said that he had not delivered goods to
B. Choose the true fact.

Section 155 - Impeaching credit of witness: The credit of a witness may be impeached in the following ways by the adverse party, or with the consent of the Court, by the party who calls him:- (1) By the evidence of persons who testify that they, from their knowledge of the witness believe him to be unworthy of credit; (2) By proof that the witness has been bribed, or has accepted the offer of a bribe, or has received any other corrupt inducement to give his evidence; (3) By proof of former statements inconsistent with any part of his evidence which is liable to be contradicted.