Final answer:
Based on the dialogue, Antonio will repay the money and give Shylock extra money as thanks for the loan.
Step-by-step explanation:
Based on the dialogue in the passage between Shylock and Antonio, the most likely option is c) Antonio will repay the money and give Shylock extra money as thanks for the loan.
In the passage, Shylock discusses what a captive should do when offered money for ransom by a person with abominable vices. Shylock indicates that he would accept the money as a loan, not as a benefit, and would be bound to repay it. This implies that Antonio, being an honorable character, would likely repay the money to Shylock and may even give him extra money as thanks for the loan.