An sObject named Application_c has a lookup relationship to another sObject named Position_c. Both Application _c and Position_c have a picklist field named Status_c.When the Status_c field on Position_c is updated, the Status_c field on Application_c needs to be populated automatically with the same value, and execute a workflow rule on Application_c.
A. By changing Application_c.Status_c into a roll -up summary field. B. By changing Application_c.Status_c into a formula field. C. By using an Apex trigger with a DML operation. D. By configuring a cross-object field update with a workflow.