Jennifer Durant is evaluating the existing risk management system of Silverman Asset Management. She is asked to match the following events to the corresponding type of risk. Identify each numbered event as a market risk, credit risk, operational risk, or legal risk event. I: Insufficient training leads to misuse of order management system. II: bond price decrease because the market interest rate going up. III: Option writer does not have the resources required to honor a contract. IV: Credit swaps with counterparty cannot be netted because they originated in multiple jurisdictions.
选项：

A:A-I: legal risk II: credit risk III: operational risk IV: credit risk
B:B-I: operational risk II: credit risk III: operational risk IV: legal risk
C:C-I: operational risk II: market risk III: credit risk IV: legal risk
D:D-I: operational risk II: market risk III: operational risk IV: legal risk