Your companys BizTalk application has a business rule policy that contains two rules named CheckBaseSalary and GiveBonus. When the policy is invoked, the solution fires both the rules. You want to add a third rule that allows the GiveBonus and CheckBaseSalary rules to fire only if a bonus was given more than 1 year ago. You need to add a third rule named CheckLastBonus. What should you do?

A.
Set the Assert function in the action section of the CheckLastBonus rule.

B.
Set the Retract function in the actions section of the CheckLastBonus rule.

C.
Use a Custom .NET Fact Creator class.

D.
Use a Custom .NET Fact Retriever class.