what is quickest way to implement a capability to skip rule execution if particular condition holds?

In a BPEL model, what is quickest way to implement a capability to skip rule execution if
particular condition holds?

A.
Include an XPath expression in an annotation on the business rule component.

B.
Use a correlation set on the business rule component.

C.
Use a skip condition on the business rule component.

D.
Model a switch activity to conditionally execute the business rule component.