How do you implement this?

Your Package logic requires you to retrieve the status of the previous Package step into a
variable. How do you implement this?

A.
Create a variable, use odiRef. getPrevsteptog ()in the SQL query in its Refreshing tab,
and add a variable as a Refresh Variable step into Package

B.
Create a variable, use odiRef.getinfooin the SQL query in its Refreshing tab, and add a
variable as a Refresh Variable step into Package

C.
Create a variable, use odiRef.getStep()in the SQL query in its Refreshing tab; and add a
variable as a Refresh Variable step into Package

D.
Create a variable, use odiRef .getPrevstepstatus ()in the SQL query in its Refreshing tab,
and add a variable as a Refresh Variable step into Package

Explanation: