How do you implement this using the Load Plan editor?

You are designing a Load Plan in which you need to create multiple branches based on the value
of a variable. How do you implement this using the Load Plan editor?

A.
Drag the variable into Load Plan and define a Case Step

B.
Add a Case Step in Load Plan and select variable- in the wizard

C.
Create a scenario from the variable and add the scenario to Load Plan to create a Case Step

D.
Add a Case Step, then drag the variable into Case Step

Explanation:
http://docs.oracle.com/cd/E28271_01/integrate.1111/e12643/loadplans.htm#CHDEIFJJ